8970631 has 4 divisors (see below), whose sum is σ = 8976672. Its totient is φ = 8964592.

The previous prime is 8970629. The next prime is 8970649. The reversal of 8970631 is 1360798.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1360798 = 2 ⋅680399.

It is a cyclic number.

It is not a de Polignac number, because 8970631 - 2¹ = 8970629 is a prime.

It is a super-2 number, since 2×8970631² = 160944441076322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8970601) 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, 930 + ... + 4336.

It is an arithmetic number, because the mean of its divisors is an integer number (2244168).

Almost surely, 2^8970631 is an apocalyptic number.

8970631 is a deficient number, since it is larger than the sum of its proper divisors (6041).

8970631 is a wasteful number, since it uses less digits than its factorization.

8970631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6040.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 8970631 is about 2995.1011669057. The cubic root of 8970631 is about 207.7818765549.

The spelling of 8970631 in words is "eight million, nine hundred seventy thousand, six hundred thirty-one".