8646489402 has 32 divisors (see below), whose sum is σ = 17488060800. Its totient is φ = 2849707008.

The previous prime is 8646489367. The next prime is 8646489409. The reversal of 8646489402 is 2049846468.

It is not an unprimeable number, because it can be changed into a prime (8646489409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650499 + ... + 663657.

It is an arithmetic number, because the mean of its divisors is an integer number (546501900).

Almost surely, 2^8646489402 is an apocalyptic number.

8646489402 is an abundant number, since it is smaller than the sum of its proper divisors (8841571398).

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

8646489402 is a wasteful number, since it uses less digits than its factorization.

8646489402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14390.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The square root of 8646489402 is about 92986.5011816231. The cubic root of 8646489402 is about 2052.4847445436.

The spelling of 8646489402 in words is "eight billion, six hundred forty-six million, four hundred eighty-nine thousand, four hundred two".