403243406 has 16 divisors (see below), whose sum is σ = 641865600. Its totient is φ = 189585528.

The previous prime is 403243387. The next prime is 403243433. The reversal of 403243406 is 604342304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71576 + ... + 77003.

It is an arithmetic number, because the mean of its divisors is an integer number (40116600).

Almost surely, 2^403243406 is an apocalyptic number.

403243406 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

403243406 is a deficient number, since it is larger than the sum of its proper divisors (238622194).

403243406 is a wasteful number, since it uses less digits than its factorization.

403243406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148663.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 403243406 is about 20080.9214430016. The cubic root of 403243406 is about 738.7924095393.

The spelling of 403243406 in words is "four hundred three million, two hundred forty-three thousand, four hundred six".