470872989 has 24 divisors (see below), whose sum is σ = 699711480. Its totient is φ = 304915968.

The previous prime is 470872979. The next prime is 470872999. The reversal of 470872989 is 989278074.

470872989 is a `hidden beast` number, since 470 + 87 + 2 + 98 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (470872979) and next prime (470872999).

It can be written as a sum of positive squares in 4 ways, for example, as 184688100 + 286184889 = 13590^2 + 16917^2 .

It is not a de Polignac number, because 470872989 - 2¹⁶ = 470807453 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (470872939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 364657 + ... + 365945.

It is an arithmetic number, because the mean of its divisors is an integer number (29154645).

Almost surely, 2^470872989 is an apocalyptic number.

It is an amenable number.

470872989 is a deficient number, since it is larger than the sum of its proper divisors (228838491).

470872989 is a wasteful number, since it uses less digits than its factorization.

470872989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 470872989 is about 21699.6080379347. The cubic root of 470872989 is about 777.9790929987.

The spelling of 470872989 in words is "four hundred seventy million, eight hundred seventy-two thousand, nine hundred eighty-nine".