83938743 has 12 divisors (see below), whose sum is σ = 138565648. Its totient is φ = 47964960.

The previous prime is 83938733. The next prime is 83938759. The reversal of 83938743 is 34783938.

It is a happy number.

It is not a de Polignac number, because 83938743 - 2¹⁴ = 83922359 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 (83938733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666118 + ... + 666243.

Almost surely, 2^83938743 is an apocalyptic number.

83938743 is a deficient number, since it is larger than the sum of its proper divisors (54626905).

83938743 is a wasteful number, since it uses less digits than its factorization.

83938743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332374 (or 1332371 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 83938743 is about 9161.8089371041. The cubic root of 83938743 is about 437.8454292888.

It can be divided in two parts, 83938 and 743, that added together give a square (84681 = 291²).

The spelling of 83938743 in words is "eighty-three million, nine hundred thirty-eight thousand, seven hundred forty-three".