38904533 has 8 divisors (see below), whose sum is σ = 41032320. Its totient is φ = 36784800.

The previous prime is 38904529. The next prime is 38904563. The reversal of 38904533 is 33540983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38904533 - 2² = 38904529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38904493 and 38904502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38904563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9716 + ... + 13122.

It is an arithmetic number, because the mean of its divisors is an integer number (5129040).

Almost surely, 2^38904533 is an apocalyptic number.

It is an amenable number.

38904533 is a deficient number, since it is larger than the sum of its proper divisors (2127787).

38904533 is a wasteful number, since it uses less digits than its factorization.

38904533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 38904533 is about 6237.3498378719. The cubic root of 38904533 is about 338.8442098503.

The spelling of 38904533 in words is "thirty-eight million, nine hundred four thousand, five hundred thirty-three".