2738831 has 8 divisors (see below), whose sum is σ = 2945280. Its totient is φ = 2538648.

The previous prime is 2738821. The next prime is 2738861. The reversal of 2738831 is 1388372.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2738831 is a prime.

It is a super-2 number, since 2×2738831² = 15002390493122, 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 (2738821) 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, 641 + ... + 2426.

It is an arithmetic number, because the mean of its divisors is an integer number (368160).

2^2738831 is an apocalyptic number.

2738831 is a deficient number, since it is larger than the sum of its proper divisors (206449).

2738831 is a wasteful number, since it uses less digits than its factorization.

2738831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133.

The product of its digits is 8064, while the sum is 32.

The square root of 2738831 is about 1654.9413886902. The cubic root of 2738831 is about 139.9120365800.

The spelling of 2738831 in words is "two million, seven hundred thirty-eight thousand, eight hundred thirty-one".