42938783 has 4 divisors (see below), whose sum is σ = 42988080. Its totient is φ = 42889488.

The previous prime is 42938761. The next prime is 42938807. The reversal of 42938783 is 38783924.

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 42938783 - 2¹² = 42934687 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42938383) 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, 23318 + ... + 25091.

It is an arithmetic number, because the mean of its divisors is an integer number (10747020).

Almost surely, 2^42938783 is an apocalyptic number.

42938783 is a deficient number, since it is larger than the sum of its proper divisors (49297).

42938783 is an equidigital number, since it uses as much as digits as its factorization.

42938783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49296.

The product of its digits is 290304, while the sum is 44.

The square root of 42938783 is about 6552.7691093155. The cubic root of 42938783 is about 350.1734731896.

The spelling of 42938783 in words is "forty-two million, nine hundred thirty-eight thousand, seven hundred eighty-three".