84284738 has 8 divisors (see below), whose sum is σ = 126601788. Its totient is φ = 42084144.

The previous prime is 84284731. The next prime is 84284743. The reversal of 84284738 is 83748248.

It can be written as a sum of positive squares in 2 ways, for example, as 78198649 + 6086089 = 8843^2 + 2467^2 .

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

It is not an unprimeable number, because it can be changed into a prime (84284731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27281 + ... + 30212.

Almost surely, 2^84284738 is an apocalyptic number.

84284738 is a deficient number, since it is larger than the sum of its proper divisors (42317050).

84284738 is a wasteful number, since it uses less digits than its factorization.

84284738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58228.

The product of its digits is 344064, while the sum is 44.

The square root of 84284738 is about 9180.6719797627. The cubic root of 84284738 is about 438.4462033339.

The spelling of 84284738 in words is "eighty-four million, two hundred eighty-four thousand, seven hundred thirty-eight".