2870631 has 12 divisors (see below), whose sum is σ = 4280640. Its totient is φ = 1851840.

The previous prime is 2870627. The next prime is 2870641. The reversal of 2870631 is 1360782.

2870631 is a `hidden beast` number, since 28 + 7 + 0 + 631 = 666.

It is not a de Polignac number, because 2870631 - 2² = 2870627 is a prime.

It is a super-2 number, since 2×2870631² = 16481044676322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2870595 and 2870604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4866 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (356720).

2^2870631 is an apocalyptic number.

2870631 is a deficient number, since it is larger than the sum of its proper divisors (1410009).

2870631 is a wasteful number, since it uses less digits than its factorization.

2870631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10326 (or 10323 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2870631 is about 1694.2936581360. The cubic root of 2870631 is about 142.1212843319.

The spelling of 2870631 in words is "two million, eight hundred seventy thousand, six hundred thirty-one".