84414789 has 24 divisors (see below), whose sum is σ = 124768800. Its totient is φ = 54980640.

The previous prime is 84414779. The next prime is 84414817. The reversal of 84414789 is 98741448.

It is not a de Polignac number, because 84414789 - 2¹⁶ = 84349253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84414769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97842 + ... + 98700.

It is an arithmetic number, because the mean of its divisors is an integer number (5198700).

Almost surely, 2^84414789 is an apocalyptic number.

It is an amenable number.

84414789 is a deficient number, since it is larger than the sum of its proper divisors (40354011).

84414789 is a wasteful number, since it uses less digits than its factorization.

84414789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1102 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 84414789 is about 9187.7521189897. The cubic root of 84414789 is about 438.6715943369.

The spelling of 84414789 in words is "eighty-four million, four hundred fourteen thousand, seven hundred eighty-nine".