2842631 has 4 divisors (see below), whose sum is σ = 3101064. Its totient is φ = 2584200.

The previous prime is 2842603. The next prime is 2842643. The reversal of 2842631 is 1362482.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2842631 is a prime.

It is a super-2 number, since 2×2842631² = 16161102004322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2842631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2842681) 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, 129200 + ... + 129221.

It is an arithmetic number, because the mean of its divisors is an integer number (775266).

2^2842631 is an apocalyptic number.

2842631 is a deficient number, since it is larger than the sum of its proper divisors (258433).

2842631 is a wasteful number, since it uses less digits than its factorization.

2842631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258432.

The product of its digits is 2304, while the sum is 26.

The square root of 2842631 is about 1686.0103795647. The cubic root of 2842631 is about 141.6576923189.

The spelling of 2842631 in words is "two million, eight hundred forty-two thousand, six hundred thirty-one".