38397956 has 6 divisors (see below), whose sum is σ = 67196430. Its totient is φ = 19198976.

The previous prime is 38397937. The next prime is 38397973. The reversal of 38397956 is 65979383.

It can be written as a sum of positive squares in only one way, i.e., 26728900 + 11669056 = 5170^2 + 3416^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4799741 + ... + 4799748.

It is an arithmetic number, because the mean of its divisors is an integer number (11199405).

Almost surely, 2^38397956 is an apocalyptic number.

It is an amenable number.

38397956 is a deficient number, since it is larger than the sum of its proper divisors (28798474).

38397956 is a wasteful number, since it uses less digits than its factorization.

38397956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599493 (or 9599491 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 50.

The square root of 38397956 is about 6196.6084271963. The cubic root of 38397956 is about 337.3670799854.

The spelling of 38397956 in words is "thirty-eight million, three hundred ninety-seven thousand, nine hundred fifty-six".