964289385 has 24 divisors (see below), whose sum is σ = 1769756040. Its totient is φ = 484035072.

The previous prime is 964289369. The next prime is 964289407. The reversal of 964289385 is 583982469.

It can be written as a sum of positive squares in 4 ways, for example, as 22781529 + 941507856 = 4773^2 + 30684^2 .

It is not a de Polignac number, because 964289385 - 2⁴ = 964289369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 629490 + ... + 631019.

It is an arithmetic number, because the mean of its divisors is an integer number (73739835).

Almost surely, 2^964289385 is an apocalyptic number.

It is an amenable number.

964289385 is a deficient number, since it is larger than the sum of its proper divisors (805466655).

964289385 is a wasteful number, since it uses less digits than its factorization.

964289385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260537 (or 1260534 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 964289385 is about 31053.0092744649. The cubic root of 964289385 is about 987.9518876105.

The spelling of 964289385 in words is "nine hundred sixty-four million, two hundred eighty-nine thousand, three hundred eighty-five".