2631839 has 8 divisors (see below), whose sum is σ = 3069600. Its totient is φ = 2255568.

The previous prime is 2631833. The next prime is 2631851. The reversal of 2631839 is 9381362.

It is a de Polignac number, because none of the positive numbers 2^k-2631839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631833) 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, 3494 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (383700).

2^2631839 is an apocalyptic number.

2631839 is a deficient number, since it is larger than the sum of its proper divisors (437761).

2631839 is an frugal number, since it uses more digits than its factorization.

2631839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694 (or 7680 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2631839 is about 1622.2943629317. The cubic root of 2631839 is about 138.0659035496.

The spelling of 2631839 in words is "two million, six hundred thirty-one thousand, eight hundred thirty-nine".