84345668 has 24 divisors (see below), whose sum is σ = 166220544. Its totient is φ = 37101600.

The previous prime is 84345649. The next prime is 84345691. The reversal of 84345668 is 86654348.

It is a super-2 number, since 2×84345668² = 14228383420732448, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29555 + ... + 32282.

It is an arithmetic number, because the mean of its divisors is an integer number (6925856).

Almost surely, 2^84345668 is an apocalyptic number.

It is an amenable number.

84345668 is a deficient number, since it is larger than the sum of its proper divisors (81874876).

84345668 is a wasteful number, since it uses less digits than its factorization.

84345668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61883 (or 61881 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 84345668 is about 9183.9897648027. The cubic root of 84345668 is about 438.5518297815.

The spelling of 84345668 in words is "eighty-four million, three hundred forty-five thousand, six hundred sixty-eight".