42890346 has 48 divisors (see below), whose sum is σ = 96412680. Its totient is φ = 13770240.

The previous prime is 42890339. The next prime is 42890383. The reversal of 42890346 is 64309824.

It is a happy number.

42890346 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 4 ways, for example, as 13242321 + 29648025 = 3639^2 + 5445^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42890346.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 65356 + ... + 66008.

Almost surely, 2^42890346 is an apocalyptic number.

42890346 is an abundant number, since it is smaller than the sum of its proper divisors (53522334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42890346 is a wasteful number, since it uses less digits than its factorization.

42890346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 42890346 is about 6549.0721480222. The cubic root of 42890346 is about 350.0417528421.

The spelling of 42890346 in words is "forty-two million, eight hundred ninety thousand, three hundred forty-six".