38961699 has 32 divisors (see below), whose sum is σ = 62017536. Its totient is φ = 21288960.

The previous prime is 38961683. The next prime is 38961709. The reversal of 38961699 is 99616983.

It is not a de Polignac number, because 38961699 - 2⁴ = 38961683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38961649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62839 + ... + 63455.

It is an arithmetic number, because the mean of its divisors is an integer number (1938048).

Almost surely, 2^38961699 is an apocalyptic number.

38961699 is a deficient number, since it is larger than the sum of its proper divisors (23055837).

38961699 is a wasteful number, since it uses less digits than its factorization.

38961699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755.

The product of its digits is 629856, while the sum is 51.

The square root of 38961699 is about 6241.9307109259. The cubic root of 38961699 is about 339.0100935901.

The spelling of 38961699 in words is "thirty-eight million, nine hundred sixty-one thousand, six hundred ninety-nine".