8649404 has 6 divisors (see below), whose sum is σ = 15136464. Its totient is φ = 4324700.

The previous prime is 8649391. The next prime is 8649409. The reversal of 8649404 is 4049468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8649409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081172 + ... + 1081179.

It is an arithmetic number, because the mean of its divisors is an integer number (2522744).

Almost surely, 2^8649404 is an apocalyptic number.

It is an amenable number.

8649404 is a deficient number, since it is larger than the sum of its proper divisors (6487060).

8649404 is a wasteful number, since it uses less digits than its factorization.

8649404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2162355 (or 2162353 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 8649404 is about 2940.9869091854. The cubic root of 8649404 is about 205.2715338935.

The spelling of 8649404 in words is "eight million, six hundred forty-nine thousand, four hundred four".