38513208 has 64 divisors (see below), whose sum is σ = 100172160. Its totient is φ = 12329856.

The previous prime is 38513207. The next prime is 38513213. The reversal of 38513208 is 80231583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38513207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68866 + ... + 69422.

It is an arithmetic number, because the mean of its divisors is an integer number (1565190).

Almost surely, 2^38513208 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 38513208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50086080).

38513208 is an abundant number, since it is smaller than the sum of its proper divisors (61658952).

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

38513208 is a wasteful number, since it uses less digits than its factorization.

38513208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 38513208 is about 6205.9010626983. The cubic root of 38513208 is about 337.7042801703.

The spelling of 38513208 in words is "thirty-eight million, five hundred thirteen thousand, two hundred eight".