42090383 has 4 divisors (see below), whose sum is σ = 42105840. Its totient is φ = 42074928.

The previous prime is 42090371. The next prime is 42090401. The reversal of 42090383 is 38309024.

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 42090383 - 2⁶ = 42090319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42090583) 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, 2435 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (10526460).

Almost surely, 2^42090383 is an apocalyptic number.

42090383 is a deficient number, since it is larger than the sum of its proper divisors (15457).

42090383 is a wasteful number, since it uses less digits than its factorization.

42090383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15456.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 42090383 is about 6487.7101507389. The cubic root of 42090383 is about 347.8518300605.

The spelling of 42090383 in words is "forty-two million, ninety thousand, three hundred eighty-three".