38494404 has 72 divisors (see below), whose sum is σ = 106159872. Its totient is φ = 11689920.

The previous prime is 38494349. The next prime is 38494411. The reversal of 38494404 is 40449483.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38349 + ... + 39339.

Almost surely, 2^38494404 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 38494404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53079936).

38494404 is an abundant number, since it is smaller than the sum of its proper divisors (67665468).

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

38494404 is a wasteful number, since it uses less digits than its factorization.

38494404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1092 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 38494404 is about 6204.3858680775. The cubic root of 38494404 is about 337.6493100671.

It can be divided in two parts, 3849440 and 4, that added together give a square (3849444 = 1962²).

The spelling of 38494404 in words is "thirty-eight million, four hundred ninety-four thousand, four hundred four".