84289319 has 8 divisors (see below), whose sum is σ = 88944480. Its totient is φ = 79716736.

The previous prime is 84289313. The next prime is 84289333. The reversal of 84289319 is 91398248.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 84289319 - 2²⁰ = 83240743 is a prime.

It is a super-2 number, since 2×84289319² = 14209378594967522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84289319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84289313) 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, 18542 + ... + 22635.

It is an arithmetic number, because the mean of its divisors is an integer number (11118060).

Almost surely, 2^84289319 is an apocalyptic number.

84289319 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

84289319 is a deficient number, since it is larger than the sum of its proper divisors (4655161).

84289319 is a wasteful number, since it uses less digits than its factorization.

84289319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41289.

The product of its digits is 124416, while the sum is 44.

The square root of 84289319 is about 9180.9214679138. The cubic root of 84289319 is about 438.4541465896.

The spelling of 84289319 in words is "eighty-four million, two hundred eighty-nine thousand, three hundred nineteen".