2556190 has 48 divisors (see below), whose sum is σ = 5771808. Its totient is φ = 793728.

The previous prime is 2556187. The next prime is 2556193. The reversal of 2556190 is 916552.

2556190 is nontrivially palindromic in base 12.

It is an interprime number because it is at equal distance from previous prime (2556187) and next prime (2556193).

It is a super-2 number, since 2×2556190² = 13068214632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556193) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48204 + ... + 48256.

It is an arithmetic number, because the mean of its divisors is an integer number (120246).

2^2556190 is an apocalyptic number.

2556190 is an abundant number, since it is smaller than the sum of its proper divisors (3215618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2556190 is a wasteful number, since it uses less digits than its factorization.

2556190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 2556190 is about 1598.8089316738. The cubic root of 2556190 is about 136.7301773686.

It can be divided in two parts, 25561 and 90, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 2556190 in words is "two million, five hundred fifty-six thousand, one hundred ninety".