191480685 has 24 divisors (see below), whose sum is σ = 336756000. Its totient is φ = 92838240.

The previous prime is 191480659. The next prime is 191480687. The reversal of 191480685 is 586084191.

It is not a de Polignac number, because 191480685 - 2⁷ = 191480557 is a prime.

It is a super-3 number, since 3×191480685³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191480687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50935 + ... + 54564.

It is an arithmetic number, because the mean of its divisors is an integer number (14031500).

Almost surely, 2^191480685 is an apocalyptic number.

191480685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

191480685 is a deficient number, since it is larger than the sum of its proper divisors (145275315).

191480685 is a wasteful number, since it uses less digits than its factorization.

191480685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105529 (or 105518 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 191480685 is about 13837.6546061824. The cubic root of 191480685 is about 576.3792322024.

The spelling of 191480685 in words is "one hundred ninety-one million, four hundred eighty thousand, six hundred eighty-five".