42964228 has 12 divisors (see below), whose sum is σ = 77021532. Its totient is φ = 20958080.

The previous prime is 42964217. The next prime is 42964231. The reversal of 42964228 is 82246924.

It can be written as a sum of positive squares in 2 ways, for example, as 1077444 + 41886784 = 1038^2 + 6472^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 130825 + ... + 131152.

It is an arithmetic number, because the mean of its divisors is an integer number (6418461).

Almost surely, 2^42964228 is an apocalyptic number.

It is an amenable number.

42964228 is a deficient number, since it is larger than the sum of its proper divisors (34057304).

42964228 is a wasteful number, since it uses less digits than its factorization.

42964228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262022 (or 262020 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 42964228 is about 6554.7103673618. The cubic root of 42964228 is about 350.2426290433.

The spelling of 42964228 in words is "forty-two million, nine hundred sixty-four thousand, two hundred twenty-eight".