38530857 has 16 divisors (see below), whose sum is σ = 55726272. Its totient is φ = 23585280.

The previous prime is 38530837. The next prime is 38530867. The reversal of 38530857 is 75803583.

It is not a de Polignac number, because 38530857 - 2⁸ = 38530601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38530837) 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, 7123 + ... + 11304.

It is an arithmetic number, because the mean of its divisors is an integer number (3482892).

Almost surely, 2^38530857 is an apocalyptic number.

It is an amenable number.

38530857 is a deficient number, since it is larger than the sum of its proper divisors (17195415).

38530857 is a wasteful number, since it uses less digits than its factorization.

38530857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18488.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 38530857 is about 6207.3228528892. The cubic root of 38530857 is about 337.7558575638.

The spelling of 38530857 in words is "thirty-eight million, five hundred thirty thousand, eight hundred fifty-seven".