489400933 has 8 divisors (see below), whose sum is σ = 559651968. Its totient is φ = 419234064.

The previous prime is 489400927. The next prime is 489400949. The reversal of 489400933 is 339004984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 489400933 - 2⁹ = 489400421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489400903) 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, 8041 + ... + 32302.

It is an arithmetic number, because the mean of its divisors is an integer number (69956496).

Almost surely, 2^489400933 is an apocalyptic number.

It is an amenable number.

489400933 is a deficient number, since it is larger than the sum of its proper divisors (70251035).

489400933 is a wasteful number, since it uses less digits than its factorization.

489400933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42083.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 489400933 is about 22122.4079385586. The cubic root of 489400933 is about 788.0521005560.

The spelling of 489400933 in words is "four hundred eighty-nine million, four hundred thousand, nine hundred thirty-three".