84413993 has 8 divisors (see below), whose sum is σ = 89591040. Its totient is φ = 79260480.

The previous prime is 84413977. The next prime is 84414007. The reversal of 84413993 is 39931448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84413993 - 2⁴ = 84413977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84413993.

It is not an unprimeable number, because it can be changed into a prime (84493993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1808 + ... + 13118.

It is an arithmetic number, because the mean of its divisors is an integer number (11198880).

Almost surely, 2^84413993 is an apocalyptic number.

It is an amenable number.

84413993 is a deficient number, since it is larger than the sum of its proper divisors (5177047).

84413993 is a wasteful number, since it uses less digits than its factorization.

84413993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11767.

The product of its digits is 93312, while the sum is 41.

The square root of 84413993 is about 9187.7088003484. The cubic root of 84413993 is about 438.6702154960.

The spelling of 84413993 in words is "eighty-four million, four hundred thirteen thousand, nine hundred ninety-three".