42293908 has 12 divisors (see below), whose sum is σ = 74424532. Its totient is φ = 21029760.

The previous prime is 42293903. The next prime is 42293917. The reversal of 42293908 is 80939224.

It can be written as a sum of positive squares in 2 ways, for example, as 17073424 + 25220484 = 4132^2 + 5022^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42293903) 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 3 ways as a sum of consecutive naturals, for example, 28485 + ... + 29932.

Almost surely, 2^42293908 is an apocalyptic number.

It is an amenable number.

42293908 is a deficient number, since it is larger than the sum of its proper divisors (32130624).

42293908 is a wasteful number, since it uses less digits than its factorization.

42293908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58602 (or 58600 counting only the distinct ones).

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

The square root of 42293908 is about 6503.3766613968. The cubic root of 42293908 is about 348.4115995669.

The spelling of 42293908 in words is "forty-two million, two hundred ninety-three thousand, nine hundred eight".