964387 has 4 divisors (see below), whose sum is σ = 968760. Its totient is φ = 960016.

The previous prime is 964373. The next prime is 964417. The reversal of 964387 is 783469.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 964387 - 2⁷ = 964259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964357) 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, 1837 + ... + 2302.

It is an arithmetic number, because the mean of its divisors is an integer number (242190).

2⁹⁶⁴³⁸⁷ is an apocalyptic number.

964387 is a deficient number, since it is larger than the sum of its proper divisors (4373).

964387 is a wasteful number, since it uses less digits than its factorization.

964387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372.

The product of its digits is 36288, while the sum is 37.

The square root of 964387 is about 982.0320768692. The cubic root of 964387 is about 98.7985223271.

It can be divided in two parts, 9643 and 87, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 964387 in words is "nine hundred sixty-four thousand, three hundred eighty-seven".