7964385 has 64 divisors (see below), whose sum is σ = 15482880. Its totient is φ = 3444480.

The previous prime is 7964377. The next prime is 7964387. The reversal of 7964385 is 5834697.

It is a happy number.

It is not a de Polignac number, because 7964385 - 2³ = 7964377 is a prime.

7964385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7964387) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 100776 + ... + 100854.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^7964385 is an apocalyptic number.

It is an amenable number.

7964385 is a deficient number, since it is larger than the sum of its proper divisors (7518495).

7964385 is a wasteful number, since it uses less digits than its factorization.

7964385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158.

The product of its digits is 181440, while the sum is 42.

The square root of 7964385 is about 2822.1241999600. The cubic root of 7964385 is about 199.7027668143.

The spelling of 7964385 in words is "seven million, nine hundred sixty-four thousand, three hundred eighty-five".