2738631 has 8 divisors (see below), whose sum is σ = 4173184. Its totient is φ = 1564920.

The previous prime is 2738623. The next prime is 2738639. The reversal of 2738631 is 1368372.

It is an interprime number because it is at equal distance from previous prime (2738623) and next prime (2738639).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2738631 - 2³ = 2738623 is a prime.

It is a super-2 number, since 2×2738631² = 15000199508322, 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 (2738639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65185 + ... + 65226.

It is an arithmetic number, because the mean of its divisors is an integer number (521648).

2^2738631 is an apocalyptic number.

2738631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2738631 is a deficient number, since it is larger than the sum of its proper divisors (1434553).

2738631 is a wasteful number, since it uses less digits than its factorization.

2738631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130421.

The product of its digits is 6048, while the sum is 30.

The square root of 2738631 is about 1654.8809624864. The cubic root of 2738631 is about 139.9086308583.

The spelling of 2738631 in words is "two million, seven hundred thirty-eight thousand, six hundred thirty-one".