38690042 has 16 divisors (see below), whose sum is σ = 61578240. Its totient is φ = 18180288.

The previous prime is 38690039. The next prime is 38690081. The reversal of 38690042 is 24009683.

It is a junction number, because it is equal to n+sod(n) for n = 38689990 and 38690008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (3848640).

Almost surely, 2^38690042 is an apocalyptic number.

38690042 is a deficient number, since it is larger than the sum of its proper divisors (22888198).

38690042 is a wasteful number, since it uses less digits than its factorization.

38690042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8165.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38690042 is about 6220.1319921687. The cubic root of 38690042 is about 338.2203492984.

The spelling of 38690042 in words is "thirty-eight million, six hundred ninety thousand, forty-two".