2831630 has 8 divisors (see below), whose sum is σ = 5096952. Its totient is φ = 1132648.

The previous prime is 2831623. The next prime is 2831641. The reversal of 2831630 is 361382.

2831630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 2831596 and 2831605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141572 + ... + 141591.

It is an arithmetic number, because the mean of its divisors is an integer number (637119).

2^2831630 is an apocalyptic number.

2831630 is a deficient number, since it is larger than the sum of its proper divisors (2265322).

2831630 is a wasteful number, since it uses less digits than its factorization.

2831630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283170.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2831630 is about 1682.7447815994. The cubic root of 2831630 is about 141.4747173548.

The spelling of 2831630 in words is "two million, eight hundred thirty-one thousand, six hundred thirty".