406872485 has 8 divisors (see below), whose sum is σ = 488864376. Its totient is φ = 325086400.

The previous prime is 406872469. The next prime is 406872491. The reversal of 406872485 is 584278604.

It can be written as a sum of positive squares in 4 ways, for example, as 487204 + 406385281 = 698^2 + 20159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 406872485 - 2⁴ = 406872469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47066 + ... + 55035.

It is an arithmetic number, because the mean of its divisors is an integer number (61108047).

Almost surely, 2^406872485 is an apocalyptic number.

It is an amenable number.

406872485 is a deficient number, since it is larger than the sum of its proper divisors (81991891).

406872485 is a wasteful number, since it uses less digits than its factorization.

406872485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102903.

The product of its (nonzero) digits is 430080, while the sum is 44.

The square root of 406872485 is about 20171.0804123131. The cubic root of 406872485 is about 741.0021029017.

The spelling of 406872485 in words is "four hundred six million, eight hundred seventy-two thousand, four hundred eighty-five".