191807046 has 12 divisors (see below), whose sum is σ = 415581972. Its totient is φ = 63935676.

The previous prime is 191807041. The next prime is 191807069. The reversal of 191807046 is 640708191.

It is a super-2 number, since 2×191807046² = 73579885790492232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 191807046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191807041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5327956 + ... + 5327991.

It is an arithmetic number, because the mean of its divisors is an integer number (34631831).

Almost surely, 2^191807046 is an apocalyptic number.

191807046 is an abundant number, since it is smaller than the sum of its proper divisors (223774926).

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

191807046 is a wasteful number, since it uses less digits than its factorization.

191807046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10655955 (or 10655952 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 191807046 is about 13849.4420826256. The cubic root of 191807046 is about 576.7065079152.

The spelling of 191807046 in words is "one hundred ninety-one million, eight hundred seven thousand, forty-six".