472389426 has 24 divisors (see below), whose sum is σ = 1030986684. Its totient is φ = 156312960.

The previous prime is 472389409. The next prime is 472389431. The reversal of 472389426 is 624983274.

It can be written as a sum of positive squares in 2 ways, for example, as 455865201 + 16524225 = 21351^2 + 4065^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93315 + ... + 98246.

Almost surely, 2^472389426 is an apocalyptic number.

472389426 is an abundant number, since it is smaller than the sum of its proper divisors (558597258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472389426 is a wasteful number, since it uses less digits than its factorization.

472389426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191706 (or 191703 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 472389426 is about 21734.5215268246. The cubic root of 472389426 is about 778.8133534114.

It can be divided in two parts, 4723 and 89426, that added together give a palindrome (94149).

The spelling of 472389426 in words is "four hundred seventy-two million, three hundred eighty-nine thousand, four hundred twenty-six".