2562890 has 32 divisors (see below), whose sum is σ = 5256576. Its totient is φ = 890560.

The previous prime is 2562881. The next prime is 2562907. The reversal of 2562890 is 982652.

2562890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 2024 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (164268).

2^2562890 is an apocalyptic number.

2562890 is an abundant number, since it is smaller than the sum of its proper divisors (2693686).

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

2562890 is a wasteful number, since it uses less digits than its factorization.

2562890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 2562890 is about 1600.9028702579. The cubic root of 2562890 is about 136.8495337761.

It can be divided in two parts, 2562 and 890, that multiplied together give a triangular number (2280180 = T₂₁₃₅).

The spelling of 2562890 in words is "two million, five hundred sixty-two thousand, eight hundred ninety".