964097840 has 160 divisors (see below), whose sum is σ = 2404131840. Its totient is φ = 359073792.

The previous prime is 964097839. The next prime is 964097843. The reversal of 964097840 is 48790469.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (964097843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10832516 + ... + 10832604.

It is an arithmetic number, because the mean of its divisors is an integer number (15025824).

Almost surely, 2^964097840 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 964097840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202065920).

964097840 is an abundant number, since it is smaller than the sum of its proper divisors (1440034000).

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

964097840 is a wasteful number, since it uses less digits than its factorization.

964097840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 964097840 is about 31049.9249596517. The cubic root of 964097840 is about 987.8864681840.

The spelling of 964097840 in words is "nine hundred sixty-four million, ninety-seven thousand, eight hundred forty".