406970093 has 4 divisors (see below), whose sum is σ = 414648828. Its totient is φ = 399291360.

The previous prime is 406970071. The next prime is 406970099. The reversal of 406970093 is 390079604.

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

It can be written as a sum of positive squares in 2 ways, for example, as 290804809 + 116165284 = 17053^2 + 10778^2 .

It is a cyclic number.

It is not a de Polignac number, because 406970093 - 2²⁰ = 405921517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406970099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3839288 + ... + 3839393.

It is an arithmetic number, because the mean of its divisors is an integer number (103662207).

Almost surely, 2^406970093 is an apocalyptic number.

It is an amenable number.

406970093 is a deficient number, since it is larger than the sum of its proper divisors (7678735).

406970093 is an equidigital number, since it uses as much as digits as its factorization.

406970093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7678734.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 406970093 is about 20173.4997707388. The cubic root of 406970093 is about 741.0613532016.

The spelling of 406970093 in words is "four hundred six million, nine hundred seventy thousand, ninety-three".