964399 has 4 divisors (see below), whose sum is σ = 966520.
Its totient is φ = 962280.
The previous prime is 964373. The next prime is 964417. The reversal of 964399 is 993469.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993469 = 367 ⋅2707.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-964399 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (964309) 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, 69 + ... + 1390.
It is an arithmetic number, because the mean of its divisors is an integer number (241630).
2964399 is an apocalyptic number.
964399 is a deficient number, since it is larger than the sum of its proper divisors (2121).
964399 is a wasteful number, since it uses less digits than its factorization.
964399 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2120.
The product of its digits is 52488, while the sum is 40.
The square root of 964399 is about 982.0381866302.
The cubic root of 964399 is about 98.7989321132.
The spelling of 964399 in words is "nine hundred sixty-four thousand, three hundred ninety-nine".