84143049 has 8 divisors (see below), whose sum is σ = 112442400. Its totient is φ = 55969536.

The previous prime is 84143041. The next prime is 84143053. The reversal of 84143049 is 94034148.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84143049 - 2³ = 84143041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84143041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29887 + ... + 32580.

It is an arithmetic number, because the mean of its divisors is an integer number (14055300).

Almost surely, 2^84143049 is an apocalyptic number.

It is an amenable number.

84143049 is a deficient number, since it is larger than the sum of its proper divisors (28299351).

84143049 is a wasteful number, since it uses less digits than its factorization.

84143049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62919.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 84143049 is about 9172.9520330153. The cubic root of 84143049 is about 438.2003784895.

The spelling of 84143049 in words is "eighty-four million, one hundred forty-three thousand, forty-nine".