183313428 has 12 divisors (see below), whose sum is σ = 427731360. Its totient is φ = 61104472.

The previous prime is 183313421. The next prime is 183313453. The reversal of 183313428 is 824313381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×183313428² = 67207625770222368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183313421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7638048 + ... + 7638071.

It is an arithmetic number, because the mean of its divisors is an integer number (35644280).

Almost surely, 2^183313428 is an apocalyptic number.

It is an amenable number.

183313428 is an abundant number, since it is smaller than the sum of its proper divisors (244417932).

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

183313428 is a wasteful number, since it uses less digits than its factorization.

183313428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276126 (or 15276124 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 183313428 is about 13539.3289346260. The cubic root of 183313428 is about 568.0650796620.

The spelling of 183313428 in words is "one hundred eighty-three million, three hundred thirteen thousand, four hundred twenty-eight".