84893513 has 4 divisors (see below), whose sum is σ = 84937620. Its totient is φ = 84849408.

The previous prime is 84893477. The next prime is 84893519. The reversal of 84893513 is 31539848.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80066704 + 4826809 = 8948^2 + 2197^2 .

It is a cyclic number.

It is not a de Polignac number, because 84893513 - 2⁶ = 84893449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84893519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19028 + ... + 23061.

It is an arithmetic number, because the mean of its divisors is an integer number (21234405).

Almost surely, 2^84893513 is an apocalyptic number.

It is an amenable number.

84893513 is a deficient number, since it is larger than the sum of its proper divisors (44107).

84893513 is a wasteful number, since it uses less digits than its factorization.

84893513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44106.

The product of its digits is 103680, while the sum is 41.

The square root of 84893513 is about 9213.7675790091. The cubic root of 84893513 is about 439.4992806048.

The spelling of 84893513 in words is "eighty-four million, eight hundred ninety-three thousand, five hundred thirteen".