38909036 has 12 divisors (see below), whose sum is σ = 71674680. Its totient is φ = 18430560.

The previous prime is 38909021. The next prime is 38909069. The reversal of 38909036 is 63090983.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255905 + ... + 256056.

It is an arithmetic number, because the mean of its divisors is an integer number (5972890).

Almost surely, 2^38909036 is an apocalyptic number.

It is an amenable number.

38909036 is a deficient number, since it is larger than the sum of its proper divisors (32765644).

38909036 is a wasteful number, since it uses less digits than its factorization.

38909036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511984 (or 511982 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 38909036 is about 6237.7107980412. The cubic root of 38909036 is about 338.8572825053.

The spelling of 38909036 in words is "thirty-eight million, nine hundred nine thousand, thirty-six".