38813502 has 64 divisors (see below), whose sum is σ = 97058304. Its totient is φ = 10074240.

The previous prime is 38813497. The next prime is 38813549. The reversal of 38813502 is 20531883.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38813502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36052 + ... + 37112.

It is an arithmetic number, because the mean of its divisors is an integer number (1516536).

Almost surely, 2^38813502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38813502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48529152).

38813502 is an abundant number, since it is smaller than the sum of its proper divisors (58244802).

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

38813502 is a wasteful number, since it uses less digits than its factorization.

38813502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153.

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

The square root of 38813502 is about 6230.0483144194. The cubic root of 38813502 is about 338.5797212497.

The spelling of 38813502 in words is "thirty-eight million, eight hundred thirteen thousand, five hundred two".