38406842 has 16 divisors (see below), whose sum is σ = 61471872. Its totient is φ = 17933760.

The previous prime is 38406763. The next prime is 38406883. The reversal of 38406842 is 24860483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (3841992).

Almost surely, 2^38406842 is an apocalyptic number.

38406842 is a deficient number, since it is larger than the sum of its proper divisors (23065030).

38406842 is a wasteful number, since it uses less digits than its factorization.

38406842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 38406842 is about 6197.3253908440. The cubic root of 38406842 is about 337.3931023137.

The spelling of 38406842 in words is "thirty-eight million, four hundred six thousand, eight hundred forty-two".