8312642 has 16 divisors (see below), whose sum is σ = 13792632. Its totient is φ = 3732480.

The previous prime is 8312611. The next prime is 8312651. The reversal of 8312642 is 2462138.

It can be written as a sum of positive squares in 4 ways, for example, as 5112121 + 3200521 = 2261^2 + 1789^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3359 + ... + 5282.

Almost surely, 2^8312642 is an apocalyptic number.

8312642 is a deficient number, since it is larger than the sum of its proper divisors (5479990).

8312642 is a wasteful number, since it uses less digits than its factorization.

8312642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693.

The product of its digits is 2304, while the sum is 26.

The square root of 8312642 is about 2883.1652744857. The cubic root of 8312642 is about 202.5721289564.

The spelling of 8312642 in words is "eight million, three hundred twelve thousand, six hundred forty-two".