8394908631 has 4 divisors (see below), whose sum is σ = 11193211512. Its totient is φ = 5596605752.

The previous prime is 8394908617. The next prime is 8394908657. The reversal of 8394908631 is 1368094938.

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 8394908631 - 2¹⁸ = 8394646487 is a prime.

It is a super-2 number, since 2×8394908631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8394908131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1399151436 + ... + 1399151441.

It is an arithmetic number, because the mean of its divisors is an integer number (2798302878).

Almost surely, 2^8394908631 is an apocalyptic number.

8394908631 is a deficient number, since it is larger than the sum of its proper divisors (2798302881).

8394908631 is a wasteful number, since it uses less digits than its factorization.

8394908631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798302880.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 8394908631 is about 91623.7339939821. The cubic root of 8394908631 is about 2032.3819283302.

The spelling of 8394908631 in words is "eight billion, three hundred ninety-four million, nine hundred eight thousand, six hundred thirty-one".