38480778 has 48 divisors (see below), whose sum is σ = 99480960. Its totient is φ = 10993752.

The previous prime is 38480759. The next prime is 38480779. The reversal of 38480778 is 87708483.

It is not an unprimeable number, because it can be changed into a prime (38480779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4626 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (2072520).

Almost surely, 2^38480778 is an apocalyptic number.

38480778 is an abundant number, since it is smaller than the sum of its proper divisors (61000182).

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

38480778 is a wasteful number, since it uses less digits than its factorization.

38480778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14568 (or 14555 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 38480778 is about 6203.2876767082. The cubic root of 38480778 is about 337.6094657263.

The spelling of 38480778 in words is "thirty-eight million, four hundred eighty thousand, seven hundred seventy-eight".