84009916 has 6 divisors (see below), whose sum is σ = 147017360. Its totient is φ = 42004956.

The previous prime is 84009899. The next prime is 84009967. The reversal of 84009916 is 61990048.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501236 + ... + 10501243.

Almost surely, 2^84009916 is an apocalyptic number.

It is an amenable number.

84009916 is a deficient number, since it is larger than the sum of its proper divisors (63007444).

84009916 is a wasteful number, since it uses less digits than its factorization.

84009916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002483 (or 21002481 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 84009916 is about 9165.6923360977. The cubic root of 84009916 is about 437.9691463710.

The spelling of 84009916 in words is "eighty-four million, nine thousand, nine hundred sixteen".