964321 has 4 divisors (see below), whose sum is σ = 1006272. Its totient is φ = 922372.

The previous prime is 964309. The next prime is 964333. The reversal of 964321 is 123469.

964321 = T₂₇₈ + T₂₇₉ + ... + T₃₀₀.

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.

It is an interprime number because it is at equal distance from previous prime (964309) and next prime (964333).

It is a cyclic number.

It is not a de Polignac number, because 964321 - 2⁵ = 964289 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (964351) 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, 20941 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (251568).

2⁹⁶⁴³²¹ is an apocalyptic number.

It is an amenable number.

964321 is a deficient number, since it is larger than the sum of its proper divisors (41951).

964321 is a wasteful number, since it uses less digits than its factorization.

964321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41950.

The product of its digits is 1296, while the sum is 25.

The square root of 964321 is about 981.9984725039. The cubic root of 964321 is about 98.7962684424.

The spelling of 964321 in words is "nine hundred sixty-four thousand, three hundred twenty-one".