38446916 has 18 divisors (see below), whose sum is σ = 67988970. Its totient is φ = 19023552.

The previous prime is 38446909. The next prime is 38446949. The reversal of 38446916 is 61964483.

It can be written as a sum of positive squares in 3 ways, for example, as 20214016 + 18232900 = 4496^2 + 4270^2 .

It is a super-2 number, since 2×38446916² = 2956330699822112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 47120 + ... + 47928.

It is an arithmetic number, because the mean of its divisors is an integer number (3777165).

Almost surely, 2^38446916 is an apocalyptic number.

It is an amenable number.

38446916 is a deficient number, since it is larger than the sum of its proper divisors (29542054).

38446916 is a wasteful number, since it uses less digits than its factorization.

38446916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 920 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 38446916 is about 6200.5577168510. The cubic root of 38446916 is about 337.5104077266.

The spelling of 38446916 in words is "thirty-eight million, four hundred forty-six thousand, nine hundred sixteen".