10256646 has 16 divisors (see below), whose sum is σ = 20795184. Its totient is φ = 3371904.

The previous prime is 10256621. The next prime is 10256663. The reversal of 10256646 is 64665201.

It is a congruent number.

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, 11271 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (1299699).

Almost surely, 2^10256646 is an apocalyptic number.

10256646 is an abundant number, since it is smaller than the sum of its proper divisors (10538538).

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

10256646 is a wasteful number, since it uses less digits than its factorization.

10256646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23495.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 10256646 is about 3202.5998813464. The cubic root of 10256646 is about 217.2710128019.

The spelling of 10256646 in words is "ten million, two hundred fifty-six thousand, six hundred forty-six".