10256390 has 32 divisors (see below), whose sum is σ = 20286720. Its totient is φ = 3716064.

The previous prime is 10256369. The next prime is 10256399. The reversal of 10256390 is 9365201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3197 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (633960).

Almost surely, 2^10256390 is an apocalyptic number.

10256390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10256390 is a deficient number, since it is larger than the sum of its proper divisors (10030330).

10256390 is a wasteful number, since it uses less digits than its factorization.

10256390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 10256390 is about 3202.5599135691. The cubic root of 10256390 is about 217.2692051336.

The spelling of 10256390 in words is "ten million, two hundred fifty-six thousand, three hundred ninety".