42094928 has 20 divisors (see below), whose sum is σ = 82310580. Its totient is φ = 20853504.

The previous prime is 42094909. The next prime is 42094933. The reversal of 42094928 is 82949024.

It can be written as a sum of positive squares in 2 ways, for example, as 29506624 + 12588304 = 5432^2 + 3548^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42094891 and 42094900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10325 + ... + 13812.

It is an arithmetic number, because the mean of its divisors is an integer number (4115529).

Almost surely, 2^42094928 is an apocalyptic number.

It is an amenable number.

42094928 is a deficient number, since it is larger than the sum of its proper divisors (40215652).

42094928 is a wasteful number, since it uses less digits than its factorization.

42094928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24254 (or 24248 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 42094928 is about 6488.0604189542. The cubic root of 42094928 is about 347.8643501783.

The spelling of 42094928 in words is "forty-two million, ninety-four thousand, nine hundred twenty-eight".