428901336 has 96 divisors (see below), whose sum is σ = 1203087600. Its totient is φ = 137928960.

The previous prime is 428901323. The next prime is 428901397. The reversal of 428901336 is 633109824.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 428901336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348370 + ... + 349598.

Almost surely, 2^428901336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428901336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601543800).

428901336 is an abundant number, since it is smaller than the sum of its proper divisors (774186264).

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

428901336 is a wasteful number, since it uses less digits than its factorization.

428901336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409 (or 1402 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 428901336 is about 20709.9332688447. The cubic root of 428901336 is about 754.1408504022.

The spelling of 428901336 in words is "four hundred twenty-eight million, nine hundred one thousand, three hundred thirty-six".