869942001 has 8 divisors (see below), whose sum is σ = 1162462624. Its totient is φ = 578691360.

The previous prime is 869941991. The next prime is 869942063. The reversal of 869942001 is 100249968.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 869942001 - 2⁶ = 869941937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869932001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315895 + ... + 318636.

It is an arithmetic number, because the mean of its divisors is an integer number (145307828).

Almost surely, 2^869942001 is an apocalyptic number.

It is an amenable number.

869942001 is a deficient number, since it is larger than the sum of its proper divisors (292520623).

869942001 is a wasteful number, since it uses less digits than its factorization.

869942001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634991.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 869942001 is about 29494.7792159901. The cubic root of 869942001 is about 954.6190566021.

The spelling of 869942001 in words is "eight hundred sixty-nine million, nine hundred forty-two thousand, one".