64396 has 12 divisors (see below), whose sum is σ = 119448. Its totient is φ = 30272.

The previous prime is 64381. The next prime is 64399. The reversal of 64396 is 69346.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (64399) by changing a digit.

64396 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406 + ... + 541.

It is an arithmetic number, because the mean of its divisors is an integer number (9954).

2⁶⁴³⁹⁶ is an apocalyptic number.

64396 is the 136-th nonagonal number.

It is an amenable number.

64396 is a deficient number, since it is larger than the sum of its proper divisors (55052).

64396 is a wasteful number, since it uses less digits than its factorization.

64396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 966 counting only the distinct ones).

The product of its digits is 3888, while the sum is 28.

The square root of 64396 is about 253.7636695825. The cubic root of 64396 is about 40.0823304263.

Subtracting 64396 from its reverse (69346), we obtain a triangular number (4950 = T₉₉).

The spelling of 64396 in words is "sixty-four thousand, three hundred ninety-six".