38913804 has 96 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 12277440.

The previous prime is 38913793. The next prime is 38913811. The reversal of 38913804 is 40831983.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197434 + ... + 197630.

It is an arithmetic number, because the mean of its divisors is an integer number (1108800).

Almost surely, 2^38913804 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 38913804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53222400).

38913804 is an abundant number, since it is smaller than the sum of its proper divisors (67530996).

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

38913804 is a wasteful number, since it uses less digits than its factorization.

38913804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 38913804 is about 6238.0929778258. The cubic root of 38913804 is about 338.8711233822.

The spelling of 38913804 in words is "thirty-eight million, nine hundred thirteen thousand, eight hundred four".