84412947 has 8 divisors (see below), whose sum is σ = 115592656. Its totient is φ = 54754272.

The previous prime is 84412943. The next prime is 84412981. The reversal of 84412947 is 74921448.

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

It is not a de Polignac number, because 84412947 - 2² = 84412943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84412943) 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, 380128 + ... + 380349.

It is an arithmetic number, because the mean of its divisors is an integer number (14449082).

Almost surely, 2^84412947 is an apocalyptic number.

84412947 is a deficient number, since it is larger than the sum of its proper divisors (31179709).

84412947 is a wasteful number, since it uses less digits than its factorization.

84412947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760517.

The product of its digits is 64512, while the sum is 39.

The square root of 84412947 is about 9187.6518762957. The cubic root of 84412947 is about 438.6684035889.

The spelling of 84412947 in words is "eighty-four million, four hundred twelve thousand, nine hundred forty-seven".