84971458 has 48 divisors (see below), whose sum is σ = 158227776. Its totient is φ = 33734880.

The previous prime is 84971449. The next prime is 84971459. The reversal of 84971458 is 85417948.

It is not an unprimeable number, because it can be changed into a prime (84971459) 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 23 ways as a sum of consecutive naturals, for example, 102835 + ... + 103657.

It is an arithmetic number, because the mean of its divisors is an integer number (3296412).

Almost surely, 2^84971458 is an apocalyptic number.

84971458 is a deficient number, since it is larger than the sum of its proper divisors (73256318).

84971458 is a wasteful number, since it uses less digits than its factorization.

84971458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887 (or 868 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 84971458 is about 9217.9964200470. The cubic root of 84971458 is about 439.6337482505.

The spelling of 84971458 in words is "eighty-four million, nine hundred seventy-one thousand, four hundred fifty-eight".