406986093 has 8 divisors (see below), whose sum is σ = 602942400. Its totient is φ = 271324044.

The previous prime is 406986089. The next prime is 406986119. The reversal of 406986093 is 390689604.

It is not a de Polignac number, because 406986093 - 2² = 406986089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406986793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7536753 + ... + 7536806.

It is an arithmetic number, because the mean of its divisors is an integer number (75367800).

Almost surely, 2^406986093 is an apocalyptic number.

It is an amenable number.

406986093 is a deficient number, since it is larger than the sum of its proper divisors (195956307).

406986093 is a wasteful number, since it uses less digits than its factorization.

406986093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073568 (or 15073562 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 406986093 is about 20173.8963266891. The cubic root of 406986093 is about 741.0710646657.

The spelling of 406986093 in words is "four hundred six million, nine hundred eighty-six thousand, ninety-three".