869230464 has 64 divisors (see below), whose sum is σ = 2313360000. Its totient is φ = 289183232.

The previous prime is 869230447. The next prime is 869230469. The reversal of 869230464 is 464032968.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869230469) 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, 228127 + ... + 231905.

It is an arithmetic number, because the mean of its divisors is an integer number (36146250).

Almost surely, 2^869230464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869230464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1156680000).

869230464 is an abundant number, since it is smaller than the sum of its proper divisors (1444129536).

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

869230464 is a wasteful number, since it uses less digits than its factorization.

869230464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395 (or 4383 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 869230464 is about 29482.7146646980. The cubic root of 869230464 is about 954.3587204527.

The spelling of 869230464 in words is "eight hundred sixty-nine million, two hundred thirty thousand, four hundred sixty-four".