84993387 has 16 divisors (see below), whose sum is σ = 120176640. Its totient is φ = 53246592.

The previous prime is 84993383. The next prime is 84993401. The reversal of 84993387 is 78339948.

It is not a de Polignac number, because 84993387 - 2² = 84993383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (84993383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64578 + ... + 65880.

It is an arithmetic number, because the mean of its divisors is an integer number (7511040).

Almost surely, 2^84993387 is an apocalyptic number.

84993387 is a deficient number, since it is larger than the sum of its proper divisors (35183253).

84993387 is a wasteful number, since it uses less digits than its factorization.

84993387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602.

The product of its digits is 1306368, while the sum is 51.

The square root of 84993387 is about 9219.1858100377. The cubic root of 84993387 is about 439.6715644752.

The spelling of 84993387 in words is "eighty-four million, nine hundred ninety-three thousand, three hundred eighty-seven".