8409672 has 48 divisors (see below), whose sum is σ = 22913280. Its totient is φ = 2786400.

The previous prime is 8409671. The next prime is 8409689. The reversal of 8409672 is 2769048.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8409671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19297 + ... + 19727.

It is an arithmetic number, because the mean of its divisors is an integer number (477360).

Almost surely, 2^8409672 is an apocalyptic number.

It is an amenable number.

8409672 is an abundant number, since it is smaller than the sum of its proper divisors (14503608).

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

8409672 is a wasteful number, since it uses less digits than its factorization.

8409672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 8409672 is about 2899.9434477245. The cubic root of 8409672 is about 203.3572619574.

The spelling of 8409672 in words is "eight million, four hundred nine thousand, six hundred seventy-two".