84149706 has 16 divisors (see below), whose sum is σ = 174103200. Its totient is φ = 27082608.

The previous prime is 84149701. The next prime is 84149713. The reversal of 84149706 is 60794148.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84149701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241636 + ... + 241983.

It is an arithmetic number, because the mean of its divisors is an integer number (10881450).

Almost surely, 2^84149706 is an apocalyptic number.

84149706 is an abundant number, since it is smaller than the sum of its proper divisors (89953494).

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

84149706 is a wasteful number, since it uses less digits than its factorization.

84149706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483653.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 84149706 is about 9173.3148861249. The cubic root of 84149706 is about 438.2119342985.

The spelling of 84149706 in words is "eighty-four million, one hundred forty-nine thousand, seven hundred six".