38651057 has 4 divisors (see below), whose sum is σ = 38668800. Its totient is φ = 38633316.

The previous prime is 38651033. The next prime is 38651071. The reversal of 38651057 is 75015683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38651057 - 2¹⁰ = 38650033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38651087) 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, 5057 + ... + 10142.

It is an arithmetic number, because the mean of its divisors is an integer number (9667200).

Almost surely, 2^38651057 is an apocalyptic number.

It is an amenable number.

38651057 is a deficient number, since it is larger than the sum of its proper divisors (17743).

38651057 is a wasteful number, since it uses less digits than its factorization.

38651057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17742.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 38651057 is about 6216.9974264109. The cubic root of 38651057 is about 338.1067115181.

The spelling of 38651057 in words is "thirty-eight million, six hundred fifty-one thousand, fifty-seven".