406358346 has 16 divisors (see below), whose sum is σ = 834682464. Its totient is φ = 131791824.

The previous prime is 406358297. The next prime is 406358371. The reversal of 406358346 is 643853604.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915000 + ... + 915443.

It is an arithmetic number, because the mean of its divisors is an integer number (52167654).

Almost surely, 2^406358346 is an apocalyptic number.

406358346 is an abundant number, since it is smaller than the sum of its proper divisors (428324118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406358346 is a wasteful number, since it uses less digits than its factorization.

406358346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830485.

The product of its (nonzero) digits is 207360, while the sum is 39.

The square root of 406358346 is about 20158.3319250378. The cubic root of 406358346 is about 740.6898521929.

The spelling of 406358346 in words is "four hundred six million, three hundred fifty-eight thousand, three hundred forty-six".