870444432 has 240 divisors, whose sum is σ = 2934562176. Its totient is φ = 237312000.

The previous prime is 870444431. The next prime is 870444467. The reversal of 870444432 is 234444078.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (870444431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 843757 + ... + 844787.

Almost surely, 2^870444432 is an apocalyptic number.

870444432 is a gapful number since it is divisible by the number (82) 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 870444432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467281088).

870444432 is an abundant number, since it is smaller than the sum of its proper divisors (2064117744).

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

870444432 is a wasteful number, since it uses less digits than its factorization.

870444432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 36.

The square root of 870444432 is about 29503.2952735792. The cubic root of 870444432 is about 954.8027998479.

The spelling of 870444432 in words is "eight hundred seventy million, four hundred forty-four thousand, four hundred thirty-two".