964731 has 4 divisors (see below), whose sum is σ = 1286312. Its totient is φ = 643152.

The previous prime is 964721. The next prime is 964753. The reversal of 964731 is 137469.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137469 = 3 ⋅45823.

It is not a de Polignac number, because 964731 - 2⁹ = 964219 is a prime.

It is a super-2 number, since 2×964731² = 1861411804722, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

964731 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 964731.

It is not an unprimeable number, because it can be changed into a prime (964721) 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, 160786 + ... + 160791.

It is an arithmetic number, because the mean of its divisors is an integer number (321578).

2⁹⁶⁴⁷³¹ is an apocalyptic number.

964731 is a deficient number, since it is larger than the sum of its proper divisors (321581).

964731 is a wasteful number, since it uses less digits than its factorization.

964731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321580.

The product of its digits is 4536, while the sum is 30.

The square root of 964731 is about 982.2072082814. The cubic root of 964731 is about 98.8102681827.

The spelling of 964731 in words is "nine hundred sixty-four thousand, seven hundred thirty-one".