42090883 has 4 divisors (see below), whose sum is σ = 42152488. Its totient is φ = 42029280.

The previous prime is 42090869. The next prime is 42090889. The reversal of 42090883 is 38809024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42090883 - 2⁹ = 42090371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42090889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29766 + ... + 31147.

It is an arithmetic number, because the mean of its divisors is an integer number (10538122).

Almost surely, 2^42090883 is an apocalyptic number.

42090883 is a deficient number, since it is larger than the sum of its proper divisors (61605).

42090883 is an equidigital number, since it uses as much as digits as its factorization.

42090883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61604.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 42090883 is about 6487.7486850216. The cubic root of 42090883 is about 347.8532074553.

The spelling of 42090883 in words is "forty-two million, ninety thousand, eight hundred eighty-three".