84356449 has 8 divisors (see below), whose sum is σ = 85752000. Its totient is φ = 82966800.

The previous prime is 84356423. The next prime is 84356453. The reversal of 84356449 is 94465348.

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 84356449 - 2⁹ = 84355937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84350449) 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, 34239 + ... + 36619.

It is an arithmetic number, because the mean of its divisors is an integer number (10719000).

Almost surely, 2^84356449 is an apocalyptic number.

It is an amenable number.

84356449 is a deficient number, since it is larger than the sum of its proper divisors (1395551).

84356449 is a wasteful number, since it uses less digits than its factorization.

84356449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951.

The product of its digits is 414720, while the sum is 43.

The square root of 84356449 is about 9184.5766913887. The cubic root of 84356449 is about 438.5705141074.

It can be divided in two parts, 8435 and 6449, that added together give a square (14884 = 122²).

The spelling of 84356449 in words is "eighty-four million, three hundred fifty-six thousand, four hundred forty-nine".