83938742 has 8 divisors (see below), whose sum is σ = 125958432. Its totient is φ = 41952600.

The previous prime is 83938733. The next prime is 83938759. The reversal of 83938742 is 24783938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 83938693 and 83938702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734 + ... + 12977.

It is an arithmetic number, because the mean of its divisors is an integer number (15744804).

Almost surely, 2^83938742 is an apocalyptic number.

83938742 is a deficient number, since it is larger than the sum of its proper divisors (42019690).

83938742 is a wasteful number, since it uses less digits than its factorization.

83938742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16774.

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

The square root of 83938742 is about 9161.8088825297. The cubic root of 83938742 is about 437.8454275501.

The spelling of 83938742 in words is "eighty-three million, nine hundred thirty-eight thousand, seven hundred forty-two".