964389888 has 440 divisors, whose sum is σ = 3614248704. Its totient is φ = 248832000.

The previous prime is 964389883. The next prime is 964389917. The reversal of 964389888 is 888983469.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (964389883) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6386613 + ... + 6386763.

Almost surely, 2^964389888 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 964389888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807124352).

964389888 is an abundant number, since it is smaller than the sum of its proper divisors (2649858816).

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

964389888 is a wasteful number, since it uses less digits than its factorization.

964389888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 174 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 63.

The square root of 964389888 is about 31054.6274812628. The cubic root of 964389888 is about 987.9862094924.

The spelling of 964389888 in words is "nine hundred sixty-four million, three hundred eighty-nine thousand, eight hundred eighty-eight".