84505894 has 16 divisors (see below), whose sum is σ = 140348736. Its totient is φ = 37837800.

The previous prime is 84505867. The next prime is 84505919. The reversal of 84505894 is 49850548.

It is a happy number.

It is a super-2 number, since 2×84505894² = 14282492241478472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84505894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27192 + ... + 30139.

It is an arithmetic number, because the mean of its divisors is an integer number (8771796).

Almost surely, 2^84505894 is an apocalyptic number.

84505894 is a deficient number, since it is larger than the sum of its proper divisors (55842842).

84505894 is a wasteful number, since it uses less digits than its factorization.

84505894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57411.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 84505894 is about 9192.7087411709. The cubic root of 84505894 is about 438.8293502908.

The spelling of 84505894 in words is "eighty-four million, five hundred five thousand, eight hundred ninety-four".