884474640 has 800 divisors, whose sum is σ = 3940890624. Its totient is φ = 179159040.

The previous prime is 884474627. The next prime is 884474641. The reversal of 884474640 is 46474488.

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

It is not an unprimeable number, because it can be changed into a prime (884474641) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 23904702 + ... + 23904738.

Almost surely, 2^884474640 is an apocalyptic number.

884474640 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 884474640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970445312).

884474640 is an abundant number, since it is smaller than the sum of its proper divisors (3056415984).

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

884474640 is a wasteful number, since it uses less digits than its factorization.

884474640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 45.

The square root of 884474640 is about 29740.1183588768. The cubic root of 884474640 is about 959.9054594400.

The spelling of 884474640 in words is "eight hundred eighty-four million, four hundred seventy-four thousand, six hundred forty".