409472835 has 16 divisors (see below), whose sum is σ = 658947744. Its totient is φ = 217121792.

The previous prime is 409472807. The next prime is 409472849. The reversal of 409472835 is 538274904.

It is a cyclic number.

It is not a de Polignac number, because 409472835 - 2⁶ = 409472771 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76302 + ... + 81491.

It is an arithmetic number, because the mean of its divisors is an integer number (41184234).

Almost surely, 2^409472835 is an apocalyptic number.

409472835 is a deficient number, since it is larger than the sum of its proper divisors (249474909).

409472835 is a wasteful number, since it uses less digits than its factorization.

409472835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157974.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 409472835 is about 20235.4351324601. The cubic root of 409472835 is about 742.5773502612.

The spelling of 409472835 in words is "four hundred nine million, four hundred seventy-two thousand, eight hundred thirty-five".