489294399 has 32 divisors (see below), whose sum is σ = 728955648. Its totient is φ = 289440000.

The previous prime is 489294361. The next prime is 489294413. The reversal of 489294399 is 993492984.

It is a Cunningham number, because it is equal to 22120²-1.

It is not a de Polignac number, because 489294399 - 2⁷ = 489294271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489294329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242304 + ... + 244314.

It is an arithmetic number, because the mean of its divisors is an integer number (22779864).

Almost surely, 2^489294399 is an apocalyptic number.

489294399 is a deficient number, since it is larger than the sum of its proper divisors (239661249).

489294399 is a wasteful number, since it uses less digits than its factorization.

489294399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its digits is 5038848, while the sum is 57.

The square root of 489294399 is about 22119.9999773960. Note that the first 4 decimals coincide. The cubic root of 489294399 is about 787.9949146992.

The spelling of 489294399 in words is "four hundred eighty-nine million, two hundred ninety-four thousand, three hundred ninety-nine".