204626433 has 16 divisors (see below), whose sum is σ = 315147456. Its totient is φ = 116720640.

The previous prime is 204626413. The next prime is 204626441. The reversal of 204626433 is 334626402.

It is a happy number.

It is not a de Polignac number, because 204626433 - 2²¹ = 202529281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204626433.

It is not an unprimeable number, because it can be changed into a prime (204626413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181816 + ... + 182937.

It is an arithmetic number, because the mean of its divisors is an integer number (19696716).

Almost surely, 2^204626433 is an apocalyptic number.

It is an amenable number.

204626433 is a deficient number, since it is larger than the sum of its proper divisors (110521023).

204626433 is a wasteful number, since it uses less digits than its factorization.

204626433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364784.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 204626433 is about 14304.7695891965. The cubic root of 204626433 is about 589.2784754551.

The spelling of 204626433 in words is "two hundred four million, six hundred twenty-six thousand, four hundred thirty-three".