42939003 has 4 divisors (see below), whose sum is σ = 57252008. Its totient is φ = 28626000.

The previous prime is 42938977. The next prime is 42939007. The reversal of 42939003 is 30093924.

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

It is not a de Polignac number, because 42939003 - 2⁸ = 42938747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42939007) 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, 7156498 + ... + 7156503.

It is an arithmetic number, because the mean of its divisors is an integer number (14313002).

Almost surely, 2^42939003 is an apocalyptic number.

42939003 is a deficient number, since it is larger than the sum of its proper divisors (14313005).

42939003 is a wasteful number, since it uses less digits than its factorization.

42939003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14313004.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 42939003 is about 6552.7858960903. The cubic root of 42939003 is about 350.1740712351.

The spelling of 42939003 in words is "forty-two million, nine hundred thirty-nine thousand, three".