84693149 has 4 divisors (see below), whose sum is σ = 84767136. Its totient is φ = 84619164.

The previous prime is 84693139. The next prime is 84693151. The reversal of 84693149 is 94139648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84693149 - 2⁸ = 84692893 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 (84693139) 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, 35249 + ... + 37574.

It is an arithmetic number, because the mean of its divisors is an integer number (21191784).

Almost surely, 2^84693149 is an apocalyptic number.

It is an amenable number.

84693149 is a deficient number, since it is larger than the sum of its proper divisors (73987).

84693149 is a wasteful number, since it uses less digits than its factorization.

84693149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73986.

The product of its digits is 186624, while the sum is 44.

The square root of 84693149 is about 9202.8880792934. Note that the first 3 decimals coincide. The cubic root of 84693149 is about 439.1532423711.

The spelling of 84693149 in words is "eighty-four million, six hundred ninety-three thousand, one hundred forty-nine".