873401256 has 96 divisors (see below), whose sum is σ = 2911359360. Its totient is φ = 230345856.

The previous prime is 873401219. The next prime is 873401261. The reversal of 873401256 is 652104378.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 873401256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60100 + ... + 73203.

It is an arithmetic number, because the mean of its divisors is an integer number (30326660).

Almost surely, 2^873401256 is an apocalyptic number.

It is an amenable number.

873401256 is an abundant number, since it is smaller than the sum of its proper divisors (2037958104).

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

873401256 is a wasteful number, since it uses less digits than its factorization.

873401256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133335 (or 133328 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 873401256 is about 29553.3628543352. The cubic root of 873401256 is about 955.8827053330.

The spelling of 873401256 in words is "eight hundred seventy-three million, four hundred one thousand, two hundred fifty-six".