38033645 has 16 divisors (see below), whose sum is σ = 50848560. Its totient is φ = 27116544.

The previous prime is 38033627. The next prime is 38033659. The reversal of 38033645 is 54633083.

It can be written as a sum of positive squares in 8 ways, for example, as 896809 + 37136836 = 947^2 + 6094^2 .

It is not a de Polignac number, because 38033645 - 2⁶ = 38033581 is a prime.

It is a super-3 number, since 3×38033645³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8204 + ... + 11973.

It is an arithmetic number, because the mean of its divisors is an integer number (3178035).

Almost surely, 2^38033645 is an apocalyptic number.

It is an amenable number.

38033645 is a deficient number, since it is larger than the sum of its proper divisors (12814915).

38033645 is a wasteful number, since it uses less digits than its factorization.

38033645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20224.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 38033645 is about 6167.1423690393. The cubic root of 38033645 is about 336.2967339216.

The spelling of 38033645 in words is "thirty-eight million, thirty-three thousand, six hundred forty-five".