406258093 has 4 divisors (see below), whose sum is σ = 406298848. Its totient is φ = 406217340.

The previous prime is 406258087. The next prime is 406258123. The reversal of 406258093 is 390852604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 406258093 - 2⁹ = 406257581 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 (406258493) 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 3 ways as a sum of consecutive naturals, for example, 5698 + ... + 29068.

It is an arithmetic number, because the mean of its divisors is an integer number (101574712).

Almost surely, 2^406258093 is an apocalyptic number.

It is an amenable number.

406258093 is a deficient number, since it is larger than the sum of its proper divisors (40755).

406258093 is a wasteful number, since it uses less digits than its factorization.

406258093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40754.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 406258093 is about 20155.8451323679. The cubic root of 406258093 is about 740.6289351165.

The spelling of 406258093 in words is "four hundred six million, two hundred fifty-eight thousand, ninety-three".