84166040 has 32 divisors (see below), whose sum is σ = 216427680. Its totient is φ = 28856832.

The previous prime is 84165967. The next prime is 84166051. The reversal of 84166040 is 4066148.

It is a junction number, because it is equal to n+sod(n) for n = 84165994 and 84166012.

It is a congruent number.

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, 150017 + ... + 150576.

It is an arithmetic number, because the mean of its divisors is an integer number (6763365).

Almost surely, 2^84166040 is an apocalyptic number.

It is an amenable number.

84166040 is an abundant number, since it is smaller than the sum of its proper divisors (132261640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84166040 is a wasteful number, since it uses less digits than its factorization.

84166040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300611 (or 300607 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 84166040 is about 9174.2051426813. The cubic root of 84166040 is about 438.2402857172.

The spelling of 84166040 in words is "eighty-four million, one hundred sixty-six thousand, forty".