2861612 has 24 divisors (see below), whose sum is σ = 5451936. Its totient is φ = 1306368.

The previous prime is 2861603. The next prime is 2861623. The reversal of 2861612 is 2161682.

2861612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 7 ways as a sum of consecutive naturals, for example, 5633 + ... + 6119.

It is an arithmetic number, because the mean of its divisors is an integer number (227164).

2^2861612 is an apocalyptic number.

It is an amenable number.

2861612 is a deficient number, since it is larger than the sum of its proper divisors (2590324).

2861612 is a wasteful number, since it uses less digits than its factorization.

2861612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 2861612 is about 1691.6299831819. The cubic root of 2861612 is about 141.9722884494.

The spelling of 2861612 in words is "two million, eight hundred sixty-one thousand, six hundred twelve".