38890892 has 6 divisors (see below), whose sum is σ = 68059068. Its totient is φ = 19445444.

The previous prime is 38890879. The next prime is 38890897. The reversal of 38890892 is 29809883.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (38890897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4861358 + ... + 4861365.

It is an arithmetic number, because the mean of its divisors is an integer number (11343178).

Almost surely, 2^38890892 is an apocalyptic number.

It is an amenable number.

38890892 is a deficient number, since it is larger than the sum of its proper divisors (29168176).

38890892 is a wasteful number, since it uses less digits than its factorization.

38890892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722727 (or 9722725 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 38890892 is about 6236.2562487441. The cubic root of 38890892 is about 338.8046025189.

The spelling of 38890892 in words is "thirty-eight million, eight hundred ninety thousand, eight hundred ninety-two".