84963839 has 16 divisors (see below), whose sum is σ = 93742080. Its totient is φ = 76697280.

The previous prime is 84963799. The next prime is 84963859. The reversal of 84963839 is 93836948.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84963839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84963859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38387 + ... + 40539.

It is an arithmetic number, because the mean of its divisors is an integer number (5858880).

Almost surely, 2^84963839 is an apocalyptic number.

84963839 is a deficient number, since it is larger than the sum of its proper divisors (8778241).

84963839 is a wasteful number, since it uses less digits than its factorization.

84963839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its digits is 1119744, while the sum is 50.

The square root of 84963839 is about 9217.5831431021. The cubic root of 84963839 is about 439.6206078787.

The spelling of 84963839 in words is "eighty-four million, nine hundred sixty-three thousand, eight hundred thirty-nine".