38404880 has 20 divisors (see below), whose sum is σ = 89291532. Its totient is φ = 15361920.

The previous prime is 38404879. The next prime is 38404897. The reversal of 38404880 is 8840483.

It can be written as a sum of positive squares in 2 ways, for example, as 4857616 + 33547264 = 2204^2 + 5792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 38404880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239951 + ... + 240110.

Almost surely, 2^38404880 is an apocalyptic number.

It is an amenable number.

38404880 is an abundant number, since it is smaller than the sum of its proper divisors (50886652).

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

38404880 is a wasteful number, since it uses less digits than its factorization.

38404880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480074 (or 480068 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 38404880 is about 6197.1670947297. The cubic root of 38404880 is about 337.3873570133.

The spelling of 38404880 in words is "thirty-eight million, four hundred four thousand, eight hundred eighty".