964397 has 4 divisors (see below), whose sum is σ = 1102176. Its totient is φ = 826620.

The previous prime is 964373. The next prime is 964417. The reversal of 964397 is 793469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 793469 = 29 ⋅27361.

It is a cyclic number.

It is not a de Polignac number, because 964397 - 2⁶ = 964333 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 964397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68879 + ... + 68892.

It is an arithmetic number, because the mean of its divisors is an integer number (275544).

2⁹⁶⁴³⁹⁷ is an apocalyptic number.

It is an amenable number.

964397 is a deficient number, since it is larger than the sum of its proper divisors (137779).

964397 is a wasteful number, since it uses less digits than its factorization.

964397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137778.

The product of its digits is 40824, while the sum is 38.

The square root of 964397 is about 982.0371683394. The cubic root of 964397 is about 98.7988638158.

The spelling of 964397 in words is "nine hundred sixty-four thousand, three hundred ninety-seven".