428043336 has 64 divisors (see below), whose sum is σ = 1224612480. Its totient is φ = 122135040.

The previous prime is 428043331. The next prime is 428043349. The reversal of 428043336 is 633340824.

It is a junction number, because it is equal to n+sod(n) for n = 428043297 and 428043306.

It is not an unprimeable number, because it can be changed into a prime (428043331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186516 + ... + 188796.

It is an arithmetic number, because the mean of its divisors is an integer number (19134570).

Almost surely, 2^428043336 is an apocalyptic number.

It is an amenable number.

428043336 is an abundant number, since it is smaller than the sum of its proper divisors (796569144).

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

428043336 is a wasteful number, since it uses less digits than its factorization.

428043336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414 (or 3410 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 428043336 is about 20689.2082013788. The cubic root of 428043336 is about 753.6376384797.

The spelling of 428043336 in words is "four hundred twenty-eight million, forty-three thousand, three hundred thirty-six".