38646436 has 24 divisors (see below), whose sum is σ = 70277760. Its totient is φ = 18580800.

The previous prime is 38646427. The next prime is 38646451. The reversal of 38646436 is 63464683.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9985 + ... + 13303.

It is an arithmetic number, because the mean of its divisors is an integer number (2928240).

Almost surely, 2^38646436 is an apocalyptic number.

It is an amenable number.

38646436 is a deficient number, since it is larger than the sum of its proper divisors (31631324).

38646436 is a wasteful number, since it uses less digits than its factorization.

38646436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3435 (or 3433 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 38646436 is about 6216.6257728771. The cubic root of 38646436 is about 338.0932366526.

The spelling of 38646436 in words is "thirty-eight million, six hundred forty-six thousand, four hundred thirty-six".