964324881 has 24 divisors (see below), whose sum is σ = 1588303080. Its totient is φ = 558521856.

The previous prime is 964324861. The next prime is 964324883. The reversal of 964324881 is 188423469.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5803281 + 958521600 = 2409^2 + 30960^2 .

It is not a de Polignac number, because 964324881 - 2⁹ = 964324369 is a prime.

It is a super-2 number, since 2×964324881² = 1859844952231328322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (964324883) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240426 + ... + 244403.

It is an arithmetic number, because the mean of its divisors is an integer number (66179295).

Almost surely, 2^964324881 is an apocalyptic number.

It is an amenable number.

964324881 is a deficient number, since it is larger than the sum of its proper divisors (623978199).

964324881 is a wasteful number, since it uses less digits than its factorization.

964324881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484865 (or 484862 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 964324881 is about 31053.5808080163. The cubic root of 964324881 is about 987.9640098048.

The spelling of 964324881 in words is "nine hundred sixty-four million, three hundred twenty-four thousand, eight hundred eighty-one".