84249668 has 12 divisors (see below), whose sum is σ = 147505680. Its totient is φ = 42105192.

The previous prime is 84249643. The next prime is 84249673. The reversal of 84249668 is 86694248.

It is a super-2 number, since 2×84249668² = 14196013116220448, which contains 22 as substring.

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, 9323 + ... + 15981.

It is an arithmetic number, because the mean of its divisors is an integer number (12292140).

Almost surely, 2^84249668 is an apocalyptic number.

It is an amenable number.

84249668 is a deficient number, since it is larger than the sum of its proper divisors (63256012).

84249668 is a wasteful number, since it uses less digits than its factorization.

84249668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826 (or 9824 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 84249668 is about 9178.7617901327. The cubic root of 84249668 is about 438.3853839343.

The spelling of 84249668 in words is "eighty-four million, two hundred forty-nine thousand, six hundred sixty-eight".