8406884 has 6 divisors (see below), whose sum is σ = 14712054. Its totient is φ = 4203440.

The previous prime is 8406847. The next prime is 8406901. The reversal of 8406884 is 4886048.

It can be written as a sum of positive squares in only one way, i.e., 4494400 + 3912484 = 2120^2 + 1978^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050857 + ... + 1050864.

It is an arithmetic number, because the mean of its divisors is an integer number (2452009).

Almost surely, 2^8406884 is an apocalyptic number.

It is an amenable number.

8406884 is a deficient number, since it is larger than the sum of its proper divisors (6305170).

8406884 is a wasteful number, since it uses less digits than its factorization.

8406884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101725 (or 2101723 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 8406884 is about 2899.4627088480. The cubic root of 8406884 is about 203.3347869346.

The spelling of 8406884 in words is "eight million, four hundred six thousand, eight hundred eighty-four".