191948460 has 96 divisors (see below), whose sum is σ = 588736512. Its totient is φ = 46341120.

The previous prime is 191948459. The next prime is 191948461. The reversal of 191948460 is 64849191.

It is an interprime number because it is at equal distance from previous prime (191948459) and next prime (191948461).

It is a super-2 number, since 2×191948460² = 73688422592743200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (191948461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221989 + ... + 222851.

It is an arithmetic number, because the mean of its divisors is an integer number (6132672).

Almost surely, 2^191948460 is an apocalyptic number.

191948460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191948460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (294368256).

191948460 is an abundant number, since it is smaller than the sum of its proper divisors (396788052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191948460 is a wasteful number, since it uses less digits than its factorization.

191948460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 191948460 is about 13854.5465461703. The cubic root of 191948460 is about 576.8482029874.

The spelling of 191948460 in words is "one hundred ninety-one million, nine hundred forty-eight thousand, four hundred sixty".