84966947 has 12 divisors (see below), whose sum is σ = 92693160. Its totient is φ = 77845248.

The previous prime is 84966943. The next prime is 84966967. The reversal of 84966947 is 74966948.

It is a happy number.

It is not a de Polignac number, because 84966947 - 2² = 84966943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84966941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21683 + ... + 25299.

It is an arithmetic number, because the mean of its divisors is an integer number (7724430).

Almost surely, 2^84966947 is an apocalyptic number.

84966947 is a deficient number, since it is larger than the sum of its proper divisors (7726213).

84966947 is a wasteful number, since it uses less digits than its factorization.

84966947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782 (or 3769 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 53.

The square root of 84966947 is about 9217.7517323911. The cubic root of 84966947 is about 439.6259682932.

Subtracting from 84966947 its reverse (74966948), we obtain a palindrome (9999999).

The spelling of 84966947 in words is "eighty-four million, nine hundred sixty-six thousand, nine hundred forty-seven".