423477490 has 16 divisors (see below), whose sum is σ = 762616152. Its totient is φ = 169311744.

The previous prime is 423477487. The next prime is 423477499. The reversal of 423477490 is 94774324.

It can be written as a sum of positive squares in 4 ways, for example, as 339406929 + 84070561 = 18423^2 + 9169^2 .

It is not an unprimeable number, because it can be changed into a prime (423477499) 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, 15682 + ... + 33058.

Almost surely, 2^423477490 is an apocalyptic number.

423477490 is a deficient number, since it is larger than the sum of its proper divisors (339138662).

423477490 is a wasteful number, since it uses less digits than its factorization.

423477490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19821.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 423477490 is about 20578.5687063022. The cubic root of 423477490 is about 750.9484238544.

The spelling of 423477490 in words is "four hundred twenty-three million, four hundred seventy-seven thousand, four hundred ninety".