416906985 has 16 divisors (see below), whose sum is σ = 727692480. Its totient is φ = 202136640.

The previous prime is 416906977. The next prime is 416906999. The reversal of 416906985 is 589609614.

It is not a de Polignac number, because 416906985 - 2³ = 416906977 is a prime.

It is a super-2 number, since 2×416906985² = 347622868283580450, which contains 22 as substring.

It is a Curzon number.

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, 1263190 + ... + 1263519.

It is an arithmetic number, because the mean of its divisors is an integer number (45480780).

Almost surely, 2^416906985 is an apocalyptic number.

It is an amenable number.

416906985 is a deficient number, since it is larger than the sum of its proper divisors (310785495).

416906985 is a wasteful number, since it uses less digits than its factorization.

416906985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526728.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 416906985 is about 20418.3002475720. The cubic root of 416906985 is about 747.0443586575.

The spelling of 416906985 in words is "four hundred sixteen million, nine hundred six thousand, nine hundred eighty-five".