64435 has 12 divisors (see below), whose sum is σ = 90288. Its totient is φ = 44016.

The previous prime is 64433. The next prime is 64439. The reversal of 64435 is 53446.

It is not a de Polignac number, because 64435 - 2¹ = 64433 is a prime.

It is a Duffinian number.

64435 is a lucky number.

It is a plaindrome in base 11.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (64433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114 + ... + 376.

It is an arithmetic number, because the mean of its divisors is an integer number (7524).

2⁶⁴⁴³⁵ is an apocalyptic number.

64435 is a deficient number, since it is larger than the sum of its proper divisors (25853).

64435 is a wasteful number, since it uses less digits than its factorization.

64435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 275 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 64435 is about 253.8405011026. The cubic root of 64435 is about 40.0904204495.

The spelling of 64435 in words is "sixty-four thousand, four hundred thirty-five".