42828912 has 100 divisors (see below), whose sum is σ = 141697776. Its totient is φ = 12234240.

The previous prime is 42828857. The next prime is 42828959. The reversal of 42828912 is 21982824.

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

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6712 + ... + 11432.

Almost surely, 2^42828912 is an apocalyptic number.

42828912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42828912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70848888).

42828912 is an abundant number, since it is smaller than the sum of its proper divisors (98868864).

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

42828912 is a wasteful number, since it uses less digits than its factorization.

42828912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4748 (or 4733 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 42828912 is about 6544.3801845553. The cubic root of 42828912 is about 349.8745455135.

The spelling of 42828912 in words is "forty-two million, eight hundred twenty-eight thousand, nine hundred twelve".