84819245 has 12 divisors (see below), whose sum is σ = 118401084. Its totient is φ = 58161600.

The previous prime is 84819199. The next prime is 84819271. The reversal of 84819245 is 54291848.

It can be written as a sum of positive squares in 2 ways, for example, as 55160329 + 29658916 = 7427^2 + 5446^2 .

It is not a de Polignac number, because 84819245 - 2⁶ = 84819181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172856 + ... + 173345.

It is an arithmetic number, because the mean of its divisors is an integer number (9866757).

Almost surely, 2^84819245 is an apocalyptic number.

It is an amenable number.

84819245 is a deficient number, since it is larger than the sum of its proper divisors (33581839).

84819245 is a wasteful number, since it uses less digits than its factorization.

84819245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346220 (or 346213 counting only the distinct ones).

The product of its digits is 92160, while the sum is 41.

The square root of 84819245 is about 9209.7364240243. The cubic root of 84819245 is about 439.3710797781.

The spelling of 84819245 in words is "eighty-four million, eight hundred nineteen thousand, two hundred forty-five".