38406880 has 24 divisors (see below), whose sum is σ = 90736632. Its totient is φ = 15362688.

The previous prime is 38406763. The next prime is 38406883. The reversal of 38406880 is 8860483.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38406883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119862 + ... + 120181.

It is an arithmetic number, because the mean of its divisors is an integer number (3780693).

Almost surely, 2^38406880 is an apocalyptic number.

It is an amenable number.

38406880 is an abundant number, since it is smaller than the sum of its proper divisors (52329752).

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

38406880 is a wasteful number, since it uses less digits than its factorization.

38406880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240058 (or 240050 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 38406880 is about 6197.3284566820. The cubic root of 38406880 is about 337.3932135867.

The spelling of 38406880 in words is "thirty-eight million, four hundred six thousand, eight hundred eighty".