84738666 has 8 divisors (see below), whose sum is σ = 169477344. Its totient is φ = 28246220.

The previous prime is 84738649. The next prime is 84738673. The reversal of 84738666 is 66683748.

It is a happy number.

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

84738666 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7061550 + ... + 7061561.

It is an arithmetic number, because the mean of its divisors is an integer number (21184668).

Almost surely, 2^84738666 is an apocalyptic number.

84738666 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.

84738666 is a wasteful number, since it uses less digits than its factorization.

84738666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14123116.

The product of its digits is 1161216, while the sum is 48.

The square root of 84738666 is about 9205.3607207974. The cubic root of 84738666 is about 439.2319002811.

The spelling of 84738666 in words is "eighty-four million, seven hundred thirty-eight thousand, six hundred sixty-six".