964288869 has 16 divisors (see below), whose sum is σ = 1350518784. Its totient is φ = 610830000.

The previous prime is 964288867. The next prime is 964288877. The reversal of 964288869 is 968882469.

964288869 = 10347² + 10348² + ... + 10355².

It is a happy number.

It is not a de Polignac number, because 964288869 - 2¹ = 964288867 is a prime.

It is a super-2 number, since 2×964288869² = 1859706045754598322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964288867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35857 + ... + 56694.

It is an arithmetic number, because the mean of its divisors is an integer number (84407424).

Almost surely, 2^964288869 is an apocalyptic number.

It is an amenable number.

964288869 is a deficient number, since it is larger than the sum of its proper divisors (386229915).

964288869 is a wasteful number, since it uses less digits than its factorization.

964288869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92728.

The product of its digits is 11943936, while the sum is 60.

The square root of 964288869 is about 31053.0009660902. Note that the first 3 decimals coincide. The cubic root of 964288869 is about 987.9517113898.

Subtracting from 964288869 its sum of digits (60), we obtain a square (964288809 = 31053²).

The spelling of 964288869 in words is "nine hundred sixty-four million, two hundred eighty-eight thousand, eight hundred sixty-nine".