84486249 has 6 divisors (see below), whose sum is σ = 122035706. Its totient is φ = 56324160.

The previous prime is 84486247. The next prime is 84486287. The reversal of 84486249 is 94268448.

It can be written as a sum of positive squares in only one way, i.e., 44796249 + 39690000 = 6693^2 + 6300^2 .

It is not a de Polignac number, because 84486249 - 2¹ = 84486247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84486247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4693672 + ... + 4693689.

Almost surely, 2^84486249 is an apocalyptic number.

It is an amenable number.

84486249 is a deficient number, since it is larger than the sum of its proper divisors (37549457).

84486249 is a wasteful number, since it uses less digits than its factorization.

84486249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9387367 (or 9387364 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 84486249 is about 9191.6401691972. The cubic root of 84486249 is about 438.7953429165.

The spelling of 84486249 in words is "eighty-four million, four hundred eighty-six thousand, two hundred forty-nine".