289183964 has 6 divisors (see below), whose sum is σ = 506071944. Its totient is φ = 144591980.

The previous prime is 289183913. The next prime is 289184033. The reversal of 289183964 is 469381982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36147992 + ... + 36147999.

It is an arithmetic number, because the mean of its divisors is an integer number (84345324).

Almost surely, 2^289183964 is an apocalyptic number.

It is an amenable number.

289183964 is a deficient number, since it is larger than the sum of its proper divisors (216887980).

289183964 is a wasteful number, since it uses less digits than its factorization.

289183964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72295995 (or 72295993 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 289183964 is about 17005.4098451052. The cubic root of 289183964 is about 661.2891576684.

The spelling of 289183964 in words is "two hundred eighty-nine million, one hundred eighty-three thousand, nine hundred sixty-four".