8398651 has 4 divisors (see below), whose sum is σ = 8524072. Its totient is φ = 8273232.

The previous prime is 8398633. The next prime is 8398673. The reversal of 8398651 is 1568938.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8398651 - 2⁵ = 8398619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8398601) 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, 62610 + ... + 62743.

It is an arithmetic number, because the mean of its divisors is an integer number (2131018).

Almost surely, 2^8398651 is an apocalyptic number.

8398651 is a deficient number, since it is larger than the sum of its proper divisors (125421).

8398651 is a wasteful number, since it uses less digits than its factorization.

8398651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125420.

The product of its digits is 51840, while the sum is 40.

The square root of 8398651 is about 2898.0426152836. The cubic root of 8398651 is about 203.2683888861.

The spelling of 8398651 in words is "eight million, three hundred ninety-eight thousand, six hundred fifty-one".