38946872 has 8 divisors (see below), whose sum is σ = 73025400. Its totient is φ = 19473432.

The previous prime is 38946871. The next prime is 38946883. The reversal of 38946872 is 27864983.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38946871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2434172 + ... + 2434187.

It is an arithmetic number, because the mean of its divisors is an integer number (9128175).

Almost surely, 2^38946872 is an apocalyptic number.

It is an amenable number.

38946872 is a deficient number, since it is larger than the sum of its proper divisors (34078528).

38946872 is a wasteful number, since it uses less digits than its factorization.

38946872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868365 (or 4868361 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 38946872 is about 6240.7429044946. The cubic root of 38946872 is about 338.9670843396.

The spelling of 38946872 in words is "thirty-eight million, nine hundred forty-six thousand, eight hundred seventy-two".