8401872 has 20 divisors (see below), whose sum is σ = 21704960. Its totient is φ = 2800608.

The previous prime is 8401807. The next prime is 8401873. The reversal of 8401872 is 2781048.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8401873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87472 + ... + 87567.

It is an arithmetic number, because the mean of its divisors is an integer number (1085248).

Almost surely, 2^8401872 is an apocalyptic number.

It is an amenable number.

8401872 is an abundant number, since it is smaller than the sum of its proper divisors (13303088).

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

8401872 is a wasteful number, since it uses less digits than its factorization.

8401872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175050 (or 175044 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 8401872 is about 2898.5982819287. The cubic root of 8401872 is about 203.2943709872.

The spelling of 8401872 in words is "eight million, four hundred one thousand, eight hundred seventy-two".