8994193390 has 32 divisors (see below), whose sum is σ = 19925599680. Its totient is φ = 2846513664.

The previous prime is 8994193379. The next prime is 8994193391. The reversal of 8994193390 is 933914998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8994193391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4940955 + ... + 4942774.

It is an arithmetic number, because the mean of its divisors is an integer number (622674990).

Almost surely, 2^8994193390 is an apocalyptic number.

8994193390 is an abundant number, since it is smaller than the sum of its proper divisors (10931406290).

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

8994193390 is a wasteful number, since it uses less digits than its factorization.

8994193390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883756.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 8994193390 is about 94837.7213454646. The cubic root of 8994193390 is about 2079.6363847556.

The spelling of 8994193390 in words is "eight billion, nine hundred ninety-four million, one hundred ninety-three thousand, three hundred ninety".