84890518 has 8 divisors (see below), whose sum is σ = 134037720. Its totient is φ = 40211280.

The previous prime is 84890501. The next prime is 84890549. The reversal of 84890518 is 81509848.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1116943 + ... + 1117018.

It is an arithmetic number, because the mean of its divisors is an integer number (16754715).

Almost surely, 2^84890518 is an apocalyptic number.

84890518 is a deficient number, since it is larger than the sum of its proper divisors (49147202).

84890518 is a wasteful number, since it uses less digits than its factorization.

84890518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233982.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 84890518 is about 9213.6050490565. The cubic root of 84890518 is about 439.4941121069.

The spelling of 84890518 in words is "eighty-four million, eight hundred ninety thousand, five hundred eighteen".