38633885 has 4 divisors (see below), whose sum is σ = 46360668. Its totient is φ = 30907104.

The previous prime is 38633807. The next prime is 38633891. The reversal of 38633885 is 58833683.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24810361 + 13823524 = 4981^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 38633885 - 2²⁰ = 37585309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3863384 + ... + 3863393.

It is an arithmetic number, because the mean of its divisors is an integer number (11590167).

Almost surely, 2^38633885 is an apocalyptic number.

It is an amenable number.

38633885 is a deficient number, since it is larger than the sum of its proper divisors (7726783).

38633885 is an equidigital number, since it uses as much as digits as its factorization.

38633885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726782.

The product of its digits is 414720, while the sum is 44.

The square root of 38633885 is about 6215.6162204563. The cubic root of 38633885 is about 338.0566324349.

The spelling of 38633885 in words is "thirty-eight million, six hundred thirty-three thousand, eight hundred eighty-five".