42930828 has 36 divisors (see below), whose sum is σ = 108756648. Its totient is φ = 14279040.

The previous prime is 42930827. The next prime is 42930829. The reversal of 42930828 is 82803924.

It is an interprime number because it is at equal distance from previous prime (42930827) and next prime (42930829).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 42930792 and 42930801.

It is not an unprimeable number, because it can be changed into a prime (42930827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20343 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (3021018).

Almost surely, 2^42930828 is an apocalyptic number.

It is an amenable number.

42930828 is an abundant number, since it is smaller than the sum of its proper divisors (65825820).

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

42930828 is a wasteful number, since it uses less digits than its factorization.

42930828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 42930828 is about 6552.1620859072. The cubic root of 42930828 is about 350.1518470370.

The spelling of 42930828 in words is "forty-two million, nine hundred thirty thousand, eight hundred twenty-eight".