8864649 has 12 divisors (see below), whose sum is σ = 12959856. Its totient is φ = 5838072.

The previous prime is 8864641. The next prime is 8864663. The reversal of 8864649 is 9464688.

It is a happy number.

It is not a de Polignac number, because 8864649 - 2³ = 8864641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8864641) 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, 5187 + ... + 6680.

It is an arithmetic number, because the mean of its divisors is an integer number (1079988).

Almost surely, 2^8864649 is an apocalyptic number.

It is an amenable number.

8864649 is a deficient number, since it is larger than the sum of its proper divisors (4095207).

8864649 is a wasteful number, since it uses less digits than its factorization.

8864649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956 (or 11953 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 8864649 is about 2977.3560418600. The cubic root of 8864649 is about 206.9603648822.

The spelling of 8864649 in words is "eight million, eight hundred sixty-four thousand, six hundred forty-nine".