38942907 has 32 divisors (see below), whose sum is σ = 56179200. Its totient is φ = 23950080.

The previous prime is 38942867. The next prime is 38942909. The reversal of 38942907 is 70924983.

38942907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38942907 - 2¹¹ = 38940859 is a prime.

It is a super-2 number, since 2×38942907² = 3033100011221298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38942909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195594 + ... + 195792.

It is an arithmetic number, because the mean of its divisors is an integer number (1755600).

Almost surely, 2^38942907 is an apocalyptic number.

38942907 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

38942907 is a deficient number, since it is larger than the sum of its proper divisors (17236293).

38942907 is a wasteful number, since it uses less digits than its factorization.

38942907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 38942907 is about 6240.4252258961. The cubic root of 38942907 is about 338.9555810615.

The spelling of 38942907 in words is "thirty-eight million, nine hundred forty-two thousand, nine hundred seven".