406472315 has 4 divisors (see below), whose sum is σ = 487766784. Its totient is φ = 325177848.

The previous prime is 406472291. The next prime is 406472321. The reversal of 406472315 is 513274604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406472315 - 2⁶ = 406472251 is a prime.

It is a super-2 number, since 2×406472315² = 330439485722918450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40647227 + ... + 40647236.

It is an arithmetic number, because the mean of its divisors is an integer number (121941696).

Almost surely, 2^406472315 is an apocalyptic number.

406472315 is a deficient number, since it is larger than the sum of its proper divisors (81294469).

406472315 is an equidigital number, since it uses as much as digits as its factorization.

406472315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81294468.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 406472315 is about 20161.1585728598. The cubic root of 406472315 is about 740.7590914017.

The spelling of 406472315 in words is "four hundred six million, four hundred seventy-two thousand, three hundred fifteen".