964457 has 4 divisors (see below), whose sum is σ = 1038660. Its totient is φ = 890256.

The previous prime is 964433. The next prime is 964463. The reversal of 964457 is 754469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754469 = 23 ⋅32803.

It can be written as a sum of positive squares in 2 ways, for example, as 226576 + 737881 = 476^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 964457 - 2¹⁶ = 898921 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 (964417) 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, 37082 + ... + 37107.

It is an arithmetic number, because the mean of its divisors is an integer number (259665).

2⁹⁶⁴⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

964457 is a deficient number, since it is larger than the sum of its proper divisors (74203).

964457 is a wasteful number, since it uses less digits than its factorization.

964457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74202.

The product of its digits is 30240, while the sum is 35.

The square root of 964457 is about 982.0677166061. The cubic root of 964457 is about 98.8009126984.

The spelling of 964457 in words is "nine hundred sixty-four thousand, four hundred fifty-seven".