406872593 has 12 divisors (see below), whose sum is σ = 431274480. Its totient is φ = 382786920.

The previous prime is 406872589. The next prime is 406872617. The reversal of 406872593 is 395278604.

It is not a de Polignac number, because 406872593 - 2² = 406872589 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406872563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 692846 + ... + 693432.

It is an arithmetic number, because the mean of its divisors is an integer number (35939540).

Almost surely, 2^406872593 is an apocalyptic number.

It is an amenable number.

406872593 is a deficient number, since it is larger than the sum of its proper divisors (24401887).

406872593 is an equidigital number, since it uses as much as digits as its factorization.

406872593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 406872593 is about 20171.0830894129. The cubic root of 406872593 is about 741.0021684655.

The spelling of 406872593 in words is "four hundred six million, eight hundred seventy-two thousand, five hundred ninety-three".