872994401 has 2 divisors, whose sum is σ = 872994402. Its totient is φ = 872994400.

The previous prime is 872994383. The next prime is 872994433. The reversal of 872994401 is 104499278.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625750225 + 247244176 = 25015^2 + 15724^2 .

It is a cyclic number.

It is not a de Polignac number, because 872994401 - 2¹⁴ = 872978017 is a prime.

It is not a weakly prime, because it can be changed into another prime (872994481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436497200 + 436497201.

It is an arithmetic number, because the mean of its divisors is an integer number (436497201).

Almost surely, 2^872994401 is an apocalyptic number.

It is an amenable number.

872994401 is a deficient number, since it is larger than the sum of its proper divisors (1).

872994401 is an equidigital number, since it uses as much as digits as its factorization.

872994401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 872994401 is about 29546.4786565168. The cubic root of 872994401 is about 955.7342565496.

The spelling of 872994401 in words is "eight hundred seventy-two million, nine hundred ninety-four thousand, four hundred one".