42964388 has 18 divisors (see below), whose sum is σ = 77698278. Its totient is φ = 20787360.

The previous prime is 42964381. The next prime is 42964403. The reversal of 42964388 is 88346924.

42964388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 1387684 = 6448^2 + 1178^2 .

It is not an unprimeable number, because it can be changed into a prime (42964381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1745 + ... + 9432.

It is an arithmetic number, because the mean of its divisors is an integer number (4316571).

Almost surely, 2^42964388 is an apocalyptic number.

It is an amenable number.

42964388 is a deficient number, since it is larger than the sum of its proper divisors (34733890).

42964388 is a wasteful number, since it uses less digits than its factorization.

42964388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243 (or 11210 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 42964388 is about 6554.7225723138. The cubic root of 42964388 is about 350.2430638139.

The spelling of 42964388 in words is "forty-two million, nine hundred sixty-four thousand, three hundred eighty-eight".