489476690 has 16 divisors (see below), whose sum is σ = 881692992. Its totient is φ = 195649584.

The previous prime is 489476683. The next prime is 489476693. The reversal of 489476690 is 96674984.

It is a happy number.

It is a super-2 number, since 2×489476690² = 479174860106712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489476693) 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, 2444 + ... + 31383.

It is an arithmetic number, because the mean of its divisors is an integer number (55105812).

Almost surely, 2^489476690 is an apocalyptic number.

489476690 is a deficient number, since it is larger than the sum of its proper divisors (392216302).

489476690 is a wasteful number, since it uses less digits than its factorization.

489476690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35281.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 489476690 is about 22124.1200954976. The cubic root of 489476690 is about 788.0927607310.

The spelling of 489476690 in words is "four hundred eighty-nine million, four hundred seventy-six thousand, six hundred ninety".