428994288 has 60 divisors (see below), whose sum is σ = 1202671288. Its totient is φ = 142750080.

The previous prime is 428994281. The next prime is 428994289. The reversal of 428994288 is 882499824.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428994281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92931 + ... + 97437.

Almost surely, 2^428994288 is an apocalyptic number.

428994288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

428994288 is an abundant number, since it is smaller than the sum of its proper divisors (773677000).

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

428994288 is a wasteful number, since it uses less digits than its factorization.

428994288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182 (or 5173 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 428994288 is about 20712.1772877696. The cubic root of 428994288 is about 754.1953258966.

The spelling of 428994288 in words is "four hundred twenty-eight million, nine hundred ninety-four thousand, two hundred eighty-eight".