980421256 has 16 divisors (see below), whose sum is σ = 1850466240. Its totient is φ = 486963600.

The previous prime is 980421203. The next prime is 980421271. The reversal of 980421256 is 652124089.

It is a super-2 number, since 2×980421256² = 1922451678433235072, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 404596 + ... + 407011.

It is an arithmetic number, because the mean of its divisors is an integer number (115654140).

Almost surely, 2^980421256 is an apocalyptic number.

It is an amenable number.

980421256 is a deficient number, since it is larger than the sum of its proper divisors (870044984).

980421256 is a wasteful number, since it uses less digits than its factorization.

980421256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811764 (or 811760 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 980421256 is about 31311.6792267678. The cubic root of 980421256 is about 993.4306906763.

The spelling of 980421256 in words is "nine hundred eighty million, four hundred twenty-one thousand, two hundred fifty-six".