183897012 has 36 divisors (see below), whose sum is σ = 464644320. Its totient is φ = 56583072.

The previous prime is 183896989. The next prime is 183897017. The reversal of 183897012 is 210798381.

It is a super-2 number, since 2×183897012² = 67636222045056288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183897017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43312 + ... + 47367.

Almost surely, 2^183897012 is an apocalyptic number.

183897012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

183897012 is an abundant number, since it is smaller than the sum of its proper divisors (280747308).

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

183897012 is a wasteful number, since it uses less digits than its factorization.

183897012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90712 (or 90697 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 183897012 is about 13560.8632468586. The cubic root of 183897012 is about 568.6672587117.

The spelling of 183897012 in words is "one hundred eighty-three million, eight hundred ninety-seven thousand, twelve".