38909044 has 24 divisors (see below), whose sum is σ = 70600320. Its totient is φ = 18750336.

The previous prime is 38909021. The next prime is 38909069. The reversal of 38909044 is 44090983.

It is a junction number, because it is equal to n+sod(n) for n = 38908994 and 38909012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11052 + ... + 14140.

It is an arithmetic number, because the mean of its divisors is an integer number (2941680).

Almost surely, 2^38909044 is an apocalyptic number.

It is an amenable number.

38909044 is a deficient number, since it is larger than the sum of its proper divisors (31691276).

38909044 is a wasteful number, since it uses less digits than its factorization.

38909044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3207 (or 3205 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 38909044 is about 6237.7114393021. The cubic root of 38909044 is about 338.8573057292.

The spelling of 38909044 in words is "thirty-eight million, nine hundred nine thousand, forty-four".