406618085 has 8 divisors (see below), whose sum is σ = 491174016. Its totient is φ = 323139600.

The previous prime is 406618061. The next prime is 406618099. The reversal of 406618085 is 580816604.

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

It is not a de Polignac number, because 406618085 - 2²⁰ = 405569509 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, 268529 + ... + 270038.

It is an arithmetic number, because the mean of its divisors is an integer number (61396752).

Almost surely, 2^406618085 is an apocalyptic number.

It is an amenable number.

406618085 is a deficient number, since it is larger than the sum of its proper divisors (84555931).

406618085 is a wasteful number, since it uses less digits than its factorization.

406618085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538723.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 406618085 is about 20164.7733684264. The cubic root of 406618085 is about 740.8476317059.

The spelling of 406618085 in words is "four hundred six million, six hundred eighteen thousand, eighty-five".