8416993 has 8 divisors (see below), whose sum is σ = 9088128. Its totient is φ = 7749264.

The previous prime is 8416951. The next prime is 8417021. The reversal of 8416993 is 3996148.

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 8416993 - 2⁹ = 8416481 is a prime.

It is an Ulam number.

It is a Duffinian number.

8416993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8416393) 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, 7080 + ... + 8182.

It is an arithmetic number, because the mean of its divisors is an integer number (1136016).

Almost surely, 2^8416993 is an apocalyptic number.

It is an amenable number.

8416993 is a deficient number, since it is larger than the sum of its proper divisors (671135).

8416993 is a wasteful number, since it uses less digits than its factorization.

8416993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 46656, while the sum is 40.

The square root of 8416993 is about 2901.2054391235. The cubic root of 8416993 is about 203.4162554080.

It can be divided in two parts, 8416 and 993, that added together give a square (9409 = 97²).

The spelling of 8416993 in words is "eight million, four hundred sixteen thousand, nine hundred ninety-three".