84238743 has 16 divisors (see below), whose sum is σ = 114501600. Its totient is φ = 55073280.

The previous prime is 84238733. The next prime is 84238769. The reversal of 84238743 is 34783248.

It is not a de Polignac number, because 84238743 - 2⁸ = 84238487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84238703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103723 + ... + 104531.

It is an arithmetic number, because the mean of its divisors is an integer number (7156350).

Almost surely, 2^84238743 is an apocalyptic number.

84238743 is a deficient number, since it is larger than the sum of its proper divisors (30262857).

84238743 is a wasteful number, since it uses less digits than its factorization.

84238743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its digits is 129024, while the sum is 39.

The square root of 84238743 is about 9178.1666469944. The cubic root of 84238743 is about 438.3664340382.

The spelling of 84238743 in words is "eighty-four million, two hundred thirty-eight thousand, seven hundred forty-three".