428326605 has 48 divisors (see below), whose sum is σ = 852883200. Its totient is φ = 194793984.

The previous prime is 428326583. The next prime is 428326627. The reversal of 428326605 is 506623824.

428326605 is a `hidden beast` number, since 4 + 28 + 3 + 26 + 605 = 666.

It is an interprime number because it is at equal distance from previous prime (428326583) and next prime (428326627).

It is not a de Polignac number, because 428326605 - 2⁵ = 428326573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428326605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59269 + ... + 66101.

It is an arithmetic number, because the mean of its divisors is an integer number (17768400).

Almost surely, 2^428326605 is an apocalyptic number.

428326605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

428326605 is a deficient number, since it is larger than the sum of its proper divisors (424556595).

428326605 is a wasteful number, since it uses less digits than its factorization.

428326605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7050 (or 7047 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 428326605 is about 20696.0528845478. The cubic root of 428326605 is about 753.8038483678.

The spelling of 428326605 in words is "four hundred twenty-eight million, three hundred twenty-six thousand, six hundred five".