84263393 has 4 divisors (see below), whose sum is σ = 86540820. Its totient is φ = 81985968.

The previous prime is 84263383. The next prime is 84263411. The reversal of 84263393 is 39336248.

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 67354849 + 16908544 = 8207^2 + 4112^2 .

It is a cyclic number.

It is not a de Polignac number, because 84263393 - 2¹⁰ = 84262369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84263353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138658 + ... + 1138731.

It is an arithmetic number, because the mean of its divisors is an integer number (21635205).

Almost surely, 2^84263393 is an apocalyptic number.

It is an amenable number.

84263393 is a deficient number, since it is larger than the sum of its proper divisors (2277427).

84263393 is a wasteful number, since it uses less digits than its factorization.

84263393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277426.

The product of its digits is 93312, while the sum is 38.

The square root of 84263393 is about 9179.5094095491. The cubic root of 84263393 is about 438.4091882326.

The spelling of 84263393 in words is "eighty-four million, two hundred sixty-three thousand, three hundred ninety-three".