84371949 has 20 divisors (see below), whose sum is σ = 126284796. Its totient is φ = 56137536.

The previous prime is 84371939. The next prime is 84371953. The reversal of 84371949 is 94917348.

It can be written as a sum of positive squares in 2 ways, for example, as 65318724 + 19053225 = 8082^2 + 4365^2 .

It is not a de Polignac number, because 84371949 - 2⁹ = 84371437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84371939) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76647 + ... + 77739.

Almost surely, 2^84371949 is an apocalyptic number.

It is an amenable number.

84371949 is a deficient number, since it is larger than the sum of its proper divisors (41912847).

84371949 is a wasteful number, since it uses less digits than its factorization.

84371949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 2049 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 84371949 is about 9185.4204585310. The cubic root of 84371949 is about 438.5973740441.

The spelling of 84371949 in words is "eighty-four million, three hundred seventy-one thousand, nine hundred forty-nine".