1164089394 has 40 divisors (see below), whose sum is σ = 2809075500. Its totient is φ = 358180704.

The previous prime is 1164089383. The next prime is 1164089441. The reversal of 1164089394 is 4939804611.

It can be written as a sum of positive squares in 2 ways, for example, as 1148193225 + 15896169 = 33885^2 + 3987^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274269 + ... + 278480.

Almost surely, 2^1164089394 is an apocalyptic number.

1164089394 is an abundant number, since it is smaller than the sum of its proper divisors (1644986106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1164089394 is a wasteful number, since it uses less digits than its factorization.

1164089394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552776 (or 552767 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 1164089394 is about 34118.7542855832. The cubic root of 1164089394 is about 1051.9508385177.

The spelling of 1164089394 in words is "one billion, one hundred sixty-four million, eighty-nine thousand, three hundred ninety-four".