84690834 has 8 divisors (see below), whose sum is σ = 169381680. Its totient is φ = 28230276.

The previous prime is 84690803. The next prime is 84690857. The reversal of 84690834 is 43809648.

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

84690834 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7057564 + ... + 7057575.

It is an arithmetic number, because the mean of its divisors is an integer number (21172710).

Almost surely, 2^84690834 is an apocalyptic number.

84690834 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84690834 is a wasteful number, since it uses less digits than its factorization.

84690834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14115144.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 84690834 is about 9202.7623027002. The cubic root of 84690834 is about 439.1492410674.

The spelling of 84690834 in words is "eighty-four million, six hundred ninety thousand, eight hundred thirty-four".