38774916 has 24 divisors (see below), whose sum is σ = 100527840. Its totient is φ = 12924936.

The previous prime is 38774903. The next prime is 38774917. The reversal of 38774916 is 61947783.

It is a super-2 number, since 2×38774916² = 3006988221614112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38774917) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 179406 + ... + 179621.

It is an arithmetic number, because the mean of its divisors is an integer number (4188660).

Almost surely, 2^38774916 is an apocalyptic number.

38774916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38774916 is an abundant number, since it is smaller than the sum of its proper divisors (61752924).

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

38774916 is a wasteful number, since it uses less digits than its factorization.

38774916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359040 (or 359032 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 38774916 is about 6226.9507786717. The cubic root of 38774916 is about 338.4674856605.

The spelling of 38774916 in words is "thirty-eight million, seven hundred seventy-four thousand, nine hundred sixteen".