964073939 has 4 divisors (see below), whose sum is σ = 964136040. Its totient is φ = 964011840.

The previous prime is 964073909. The next prime is 964073953. The reversal of 964073939 is 939370469.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 964073939 - 2⁸ = 964073683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964073909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15272 + ... + 46490.

It is an arithmetic number, because the mean of its divisors is an integer number (241034010).

Almost surely, 2^964073939 is an apocalyptic number.

964073939 is a deficient number, since it is larger than the sum of its proper divisors (62101).

964073939 is a wasteful number, since it uses less digits than its factorization.

964073939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62100.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 964073939 is about 31049.5400771090. The cubic root of 964073939 is about 987.8783045348.

The spelling of 964073939 in words is "nine hundred sixty-four million, seventy-three thousand, nine hundred thirty-nine".