38406884 has 6 divisors (see below), whose sum is σ = 67212054. Its totient is φ = 19203440.

The previous prime is 38406883. The next prime is 38406899. The reversal of 38406884 is 48860483.

It can be written as a sum of positive squares in only one way, i.e., 28622500 + 9784384 = 5350^2 + 3128^2 .

It is not an unprimeable number, because it can be changed into a prime (38406883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4800857 + ... + 4800864.

It is an arithmetic number, because the mean of its divisors is an integer number (11202009).

Almost surely, 2^38406884 is an apocalyptic number.

It is an amenable number.

38406884 is a deficient number, since it is larger than the sum of its proper divisors (28805170).

38406884 is a wasteful number, since it uses less digits than its factorization.

38406884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9601725 (or 9601723 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 41.

The square root of 38406884 is about 6197.3287794017. The cubic root of 38406884 is about 337.3932252997.

The spelling of 38406884 in words is "thirty-eight million, four hundred six thousand, eight hundred eighty-four".