869923001 has 4 divisors (see below), whose sum is σ = 870107904. Its totient is φ = 869738100.

The previous prime is 869922983. The next prime is 869923003. The reversal of 869923001 is 100329968.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-869923001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (869923003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85205 + ... + 94866.

It is an arithmetic number, because the mean of its divisors is an integer number (217526976).

Almost surely, 2^869923001 is an apocalyptic number.

It is an amenable number.

869923001 is a deficient number, since it is larger than the sum of its proper divisors (184903).

869923001 is a wasteful number, since it uses less digits than its factorization.

869923001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184902.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 869923001 is about 29494.4571233308. The cubic root of 869923001 is about 954.6121067541.

The spelling of 869923001 in words is "eight hundred sixty-nine million, nine hundred twenty-three thousand, one".