84839450 has 24 divisors (see below), whose sum is σ = 158344032. Its totient is φ = 33819120.

The previous prime is 84839411. The next prime is 84839453. The reversal of 84839450 is 5493848.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 84839398 and 84839407.

It is not an unprimeable number, because it can be changed into a prime (84839453) 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 11 ways as a sum of consecutive naturals, for example, 12587 + ... + 18113.

It is an arithmetic number, because the mean of its divisors is an integer number (6597668).

Almost surely, 2^84839450 is an apocalyptic number.

84839450 is a deficient number, since it is larger than the sum of its proper divisors (73504582).

84839450 is a wasteful number, since it uses less digits than its factorization.

84839450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5846 (or 5841 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 84839450 is about 9210.8332956362. The cubic root of 84839450 is about 439.4059648951.

It can be divided in two parts, 8 and 4839450, that multiplied together give a triangular number (38715600 = T₈₇₉₉).

The spelling of 84839450 in words is "eighty-four million, eight hundred thirty-nine thousand, four hundred fifty".