2797631 has 4 divisors (see below), whose sum is σ = 2809872. Its totient is φ = 2785392.

The previous prime is 2797589. The next prime is 2797637. The reversal of 2797631 is 1367972.

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 2797631 - 2⁶ = 2797567 is a prime.

It is a super-2 number, since 2×2797631² = 15653478424322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2797591 and 2797600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797637) 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, 5771 + ... + 6236.

It is an arithmetic number, because the mean of its divisors is an integer number (702468).

2^2797631 is an apocalyptic number.

2797631 is a deficient number, since it is larger than the sum of its proper divisors (12241).

2797631 is a wasteful number, since it uses less digits than its factorization.

2797631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12240.

The product of its digits is 15876, while the sum is 35.

The square root of 2797631 is about 1672.6120291329. The cubic root of 2797631 is about 140.9062133048.

The spelling of 2797631 in words is "two million, seven hundred ninety-seven thousand, six hundred thirty-one".