872246402 has 4 divisors (see below), whose sum is σ = 1308369606. Its totient is φ = 436123200.

The previous prime is 872246393. The next prime is 872246483. The reversal of 872246402 is 204642278.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 805481161 + 66765241 = 28381^2 + 8171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 218061599 + ... + 218061602.

Almost surely, 2^872246402 is an apocalyptic number.

872246402 is a deficient number, since it is larger than the sum of its proper divisors (436123204).

872246402 is a wasteful number, since it uses less digits than its factorization.

872246402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436123203.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 872246402 is about 29533.8179380858. The cubic root of 872246402 is about 955.4612144998.

The spelling of 872246402 in words is "eight hundred seventy-two million, two hundred forty-six thousand, four hundred two".