869094720 has 336 divisors, whose sum is σ = 3261847680. Its totient is φ = 211120128.

The previous prime is 869094679. The next prime is 869094731. The reversal of 869094720 is 27490968.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5204077 + ... + 5204243.

It is an arithmetic number, because the mean of its divisors is an integer number (9707880).

Almost surely, 2^869094720 is an apocalyptic number.

869094720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869094720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630923840).

869094720 is an abundant number, since it is smaller than the sum of its proper divisors (2392752960).

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

869094720 is a wasteful number, since it uses less digits than its factorization.

869094720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 869094720 is about 29480.4124801537. The cubic root of 869094720 is about 954.3090384946.

The spelling of 869094720 in words is "eight hundred sixty-nine million, ninety-four thousand, seven hundred twenty".