474496989 has 12 divisors (see below), whose sum is σ = 640797696. Its totient is φ = 312314808.

The previous prime is 474496987. The next prime is 474497021. The reversal of 474496989 is 989694474.

It is a happy number.

It is not a de Polignac number, because 474496989 - 2¹ = 474496987 is a prime.

It is a super-2 number, since 2×474496989² = 450294785140132242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (474496987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6052 + ... + 31394.

It is an arithmetic number, because the mean of its divisors is an integer number (53399808).

Almost surely, 2^474496989 is an apocalyptic number.

It is an amenable number.

474496989 is a deficient number, since it is larger than the sum of its proper divisors (166300707).

474496989 is an equidigital number, since it uses as much as digits as its factorization.

474496989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25504 (or 25425 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 60.

The square root of 474496989 is about 21782.9517972198. The cubic root of 474496989 is about 779.9698591246.

The spelling of 474496989 in words is "four hundred seventy-four million, four hundred ninety-six thousand, nine hundred eighty-nine".