84194340 has 24 divisors (see below), whose sum is σ = 235744320. Its totient is φ = 22451808.

The previous prime is 84194303. The next prime is 84194347. The reversal of 84194340 is 4349148.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84194347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701560 + ... + 701679.

It is an arithmetic number, because the mean of its divisors is an integer number (9822680).

Almost surely, 2^84194340 is an apocalyptic number.

It is an amenable number.

84194340 is an abundant number, since it is smaller than the sum of its proper divisors (151549980).

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

84194340 is a wasteful number, since it uses less digits than its factorization.

84194340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403251 (or 1403249 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 84194340 is about 9175.7473810039. The cubic root of 84194340 is about 438.2893982029.

The spelling of 84194340 in words is "eighty-four million, one hundred ninety-four thousand, three hundred forty".