406913793 has 16 divisors (see below), whose sum is σ = 637404096. Its totient is φ = 227643840.

The previous prime is 406913789. The next prime is 406913797. The reversal of 406913793 is 397319604.

It is an interprime number because it is at equal distance from previous prime (406913789) and next prime (406913797).

It is not a de Polignac number, because 406913793 - 2² = 406913789 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406913797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473830 + ... + 474687.

It is an arithmetic number, because the mean of its divisors is an integer number (39837756).

Almost surely, 2^406913793 is an apocalyptic number.

It is an amenable number.

406913793 is a deficient number, since it is larger than the sum of its proper divisors (230490303).

406913793 is a wasteful number, since it uses less digits than its factorization.

406913793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948544.

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 406913793 is about 20172.1043275113. The cubic root of 406913793 is about 741.0271789638.

The spelling of 406913793 in words is "four hundred six million, nine hundred thirteen thousand, seven hundred ninety-three".