84097542 has 8 divisors (see below), whose sum is σ = 168195096. Its totient is φ = 28032512.

The previous prime is 84097511. The next prime is 84097547. The reversal of 84097542 is 24579048.

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

84097542 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 84097542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84097547) 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, 7008123 + ... + 7008134.

It is an arithmetic number, because the mean of its divisors is an integer number (21024387).

Almost surely, 2^84097542 is an apocalyptic number.

84097542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84097542 is a wasteful number, since it uses less digits than its factorization.

84097542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016262.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 84097542 is about 9170.4711983627. The cubic root of 84097542 is about 438.1213670882.

It can be divided in two parts, 8409 and 7542, that added together give a palindrome (15951).

The spelling of 84097542 in words is "eighty-four million, ninety-seven thousand, five hundred forty-two".