38990336 has 160 divisors (see below), whose sum is σ = 103707648. Its totient is φ = 14192640.

The previous prime is 38990309. The next prime is 38990353. The reversal of 38990336 is 63309983.

It is a junction number, because it is equal to n+sod(n) for n = 38990293 and 38990302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906731 + ... + 906773.

Almost surely, 2^38990336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38990336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51853824).

38990336 is an abundant number, since it is smaller than the sum of its proper divisors (64717312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38990336 is a wasteful number, since it uses less digits than its factorization.

38990336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 38990336 is about 6244.2242112211. The cubic root of 38990336 is about 339.0931311606.

The spelling of 38990336 in words is "thirty-eight million, nine hundred ninety thousand, three hundred thirty-six".