84871254 has 16 divisors (see below), whose sum is σ = 182799792. Its totient is φ = 26114208.

The previous prime is 84871253. The next prime is 84871277. The reversal of 84871254 is 45217848.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84871253) 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 7 ways as a sum of consecutive naturals, for example, 543969 + ... + 544124.

It is an arithmetic number, because the mean of its divisors is an integer number (11424987).

Almost surely, 2^84871254 is an apocalyptic number.

84871254 is an abundant number, since it is smaller than the sum of its proper divisors (97928538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84871254 is a wasteful number, since it uses less digits than its factorization.

84871254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088111.

The product of its digits is 71680, while the sum is 39.

The square root of 84871254 is about 9212.5595791832. The cubic root of 84871254 is about 439.4608651465.

The spelling of 84871254 in words is "eighty-four million, eight hundred seventy-one thousand, two hundred fifty-four".