2677631 has 4 divisors (see below), whose sum is σ = 2921064. Its totient is φ = 2434200.

The previous prime is 2677627. The next prime is 2677639. The reversal of 2677631 is 1367762.

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 2677631 - 2² = 2677627 is a prime.

It is a super-2 number, since 2×2677631² = 14339415544322, 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 (2677639) 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, 121700 + ... + 121721.

It is an arithmetic number, because the mean of its divisors is an integer number (730266).

2^2677631 is an apocalyptic number.

2677631 is a deficient number, since it is larger than the sum of its proper divisors (243433).

2677631 is a wasteful number, since it uses less digits than its factorization.

2677631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243432.

The product of its digits is 10584, while the sum is 32.

The square root of 2677631 is about 1636.3468458735. The cubic root of 2677631 is about 138.8620510870.

The spelling of 2677631 in words is "two million, six hundred seventy-seven thousand, six hundred thirty-one".