4256790 has 32 divisors (see below), whose sum is σ = 10437120. Its totient is φ = 1110624.

The previous prime is 4256761. The next prime is 4256797. The reversal of 4256790 is 976524.

It is a super-2 number, since 2×4256790² = 36240522208200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (326160).

Almost surely, 2^4256790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4256790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5218560).

4256790 is an abundant number, since it is smaller than the sum of its proper divisors (6180330).

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

4256790 is a wasteful number, since it uses less digits than its factorization.

4256790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 4256790 is about 2063.1989724697. The cubic root of 4256790 is about 162.0668067700.

The spelling of 4256790 in words is "four million, two hundred fifty-six thousand, seven hundred ninety".