2258756 has 24 divisors (see below), whose sum is σ = 4263840. Its totient is φ = 1043072.

The previous prime is 2258743. The next prime is 2258779. The reversal of 2258756 is 6578522.

2258756 = T₂₂₃ + T₂₂₄ + ... + T₂₉₀.

It is a zygodrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3731 + ... + 4293.

It is an arithmetic number, because the mean of its divisors is an integer number (177660).

2^2258756 is an apocalyptic number.

It is an amenable number.

2258756 is a deficient number, since it is larger than the sum of its proper divisors (2005084).

2258756 is a wasteful number, since it uses less digits than its factorization.

2258756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 641 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 2258756 is about 1502.9158326400. The cubic root of 2258756 is about 131.2068290368.

The spelling of 2258756 in words is "two million, two hundred fifty-eight thousand, seven hundred fifty-six".