428342288 has 20 divisors (see below), whose sum is σ = 905360208. Its totient is φ = 194700960.

The previous prime is 428342287. The next prime is 428342339. The reversal of 428342288 is 882243824.

It is not an unprimeable number, because it can be changed into a prime (428342287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1216706 + ... + 1217057.

Almost surely, 2^428342288 is an apocalyptic number.

It is an amenable number.

428342288 is an abundant number, since it is smaller than the sum of its proper divisors (477017920).

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

428342288 is a wasteful number, since it uses less digits than its factorization.

428342288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433782 (or 2433776 counting only the distinct ones).

The product of its digits is 196608, while the sum is 41.

The square root of 428342288 is about 20696.4317697520. The cubic root of 428342288 is about 753.8130483267.

The spelling of 428342288 in words is "four hundred twenty-eight million, three hundred forty-two thousand, two hundred eighty-eight".