2551846 has 16 divisors (see below), whose sum is σ = 4204368. Its totient is φ = 1152000.

The previous prime is 2551841. The next prime is 2551859. The reversal of 2551846 is 6481552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551841) 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, 3946 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (262773).

2^2551846 is an apocalyptic number.

2551846 is a deficient number, since it is larger than the sum of its proper divisors (1652522).

2551846 is a wasteful number, since it uses less digits than its factorization.

2551846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its digits is 9600, while the sum is 31.

The square root of 2551846 is about 1597.4498427181. The cubic root of 2551846 is about 136.6526801735.

The spelling of 2551846 in words is "two million, five hundred fifty-one thousand, eight hundred forty-six".