964387044 has 18 divisors (see below), whose sum is σ = 2437756230. Its totient is φ = 321462336.

The previous prime is 964387007. The next prime is 964387051. The reversal of 964387044 is 440783469.

It can be written as a sum of positive squares in only one way, i.e., 674025444 + 290361600 = 25962^2 + 17040^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13394229 + ... + 13394300.

Almost surely, 2^964387044 is an apocalyptic number.

It is an amenable number.

964387044 is an abundant number, since it is smaller than the sum of its proper divisors (1473369186).

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

964387044 is a wasteful number, since it uses less digits than its factorization.

964387044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26788539 (or 26788534 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 964387044 is about 31054.5816909518. The cubic root of 964387044 is about 987.9852382962.

The spelling of 964387044 in words is "nine hundred sixty-four million, three hundred eighty-seven thousand, forty-four".