42928930 has 16 divisors (see below), whose sum is σ = 84297024. Its totient is φ = 15610480.

The previous prime is 42928871. The next prime is 42928937. The reversal of 42928930 is 3982924.

It is a self number, because there is not a number n which added to its sum of digits gives 42928930.

It is not an unprimeable number, because it can be changed into a prime (42928937) 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 7 ways as a sum of consecutive naturals, for example, 195022 + ... + 195241.

It is an arithmetic number, because the mean of its divisors is an integer number (5268564).

Almost surely, 2^42928930 is an apocalyptic number.

42928930 is a deficient number, since it is larger than the sum of its proper divisors (41368094).

42928930 is a wasteful number, since it uses less digits than its factorization.

42928930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390281.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 42928930 is about 6552.0172466195. The cubic root of 42928930 is about 350.1466868135.

The spelling of 42928930 in words is "forty-two million, nine hundred twenty-eight thousand, nine hundred thirty".