84857486 has 16 divisors (see below), whose sum is σ = 145635840. Its totient is φ = 36326040.

The previous prime is 84857483. The next prime is 84857491. The reversal of 84857486 is 68475848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84857483) 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 7 ways as a sum of consecutive naturals, for example, 11495 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (9102240).

Almost surely, 2^84857486 is an apocalyptic number.

84857486 is a deficient number, since it is larger than the sum of its proper divisors (60778354).

84857486 is a wasteful number, since it uses less digits than its factorization.

84857486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6919.

The product of its digits is 1720320, while the sum is 50.

The square root of 84857486 is about 9211.8123081183. The cubic root of 84857486 is about 439.4371004279.

The spelling of 84857486 in words is "eighty-four million, eight hundred fifty-seven thousand, four hundred eighty-six".