84385550 has 24 divisors (see below), whose sum is σ = 158434056. Its totient is φ = 33436640.

The previous prime is 84385547. The next prime is 84385573. The reversal of 84385550 is 5558348.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2537 + ... + 13236.

It is an arithmetic number, because the mean of its divisors is an integer number (6601419).

Almost surely, 2^84385550 is an apocalyptic number.

84385550 is a deficient number, since it is larger than the sum of its proper divisors (74048506).

84385550 is a wasteful number, since it uses less digits than its factorization.

84385550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892 (or 15887 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 84385550 is about 9186.1607867487. The cubic root of 84385550 is about 438.6209404958.

The spelling of 84385550 in words is "eighty-four million, three hundred eighty-five thousand, five hundred fifty".