403428238 has 16 divisors (see below), whose sum is σ = 612277344. Its totient is φ = 199342080.

The previous prime is 403428227. The next prime is 403428247. The reversal of 403428238 is 832824304.

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, 199006 + ... + 201022.

It is an arithmetic number, because the mean of its divisors is an integer number (38267334).

Almost surely, 2^403428238 is an apocalyptic number.

403428238 is a deficient number, since it is larger than the sum of its proper divisors (208849106).

403428238 is a wasteful number, since it uses less digits than its factorization.

403428238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 403428238 is about 20085.5230950055. The cubic root of 403428238 is about 738.9052707528.

The spelling of 403428238 in words is "four hundred three million, four hundred twenty-eight thousand, two hundred thirty-eight".