38909372 has 6 divisors (see below), whose sum is σ = 68091408. Its totient is φ = 19454684.

The previous prime is 38909363. The next prime is 38909407. The reversal of 38909372 is 27390983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4863668 + ... + 4863675.

It is an arithmetic number, because the mean of its divisors is an integer number (11348568).

Almost surely, 2^38909372 is an apocalyptic number.

It is an amenable number.

38909372 is a deficient number, since it is larger than the sum of its proper divisors (29182036).

38909372 is a wasteful number, since it uses less digits than its factorization.

38909372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9727347 (or 9727345 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 38909372 is about 6237.7377309406. The cubic root of 38909372 is about 338.8582579061.

The spelling of 38909372 in words is "thirty-eight million, nine hundred nine thousand, three hundred seventy-two".