964809406 has 16 divisors (see below), whose sum is σ = 1579788288. Its totient is φ = 438269400.

The previous prime is 964809401. The next prime is 964809407. The reversal of 964809406 is 604908469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (964809401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23401 + ... + 49771.

It is an arithmetic number, because the mean of its divisors is an integer number (98736768).

Almost surely, 2^964809406 is an apocalyptic number.

964809406 is a deficient number, since it is larger than the sum of its proper divisors (614978882).

964809406 is a wasteful number, since it uses less digits than its factorization.

964809406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28047.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 964809406 is about 31061.3812635562. The cubic root of 964809406 is about 988.1294495926.

The spelling of 964809406 in words is "nine hundred sixty-four million, eight hundred nine thousand, four hundred six".