100394393 has 8 divisors (see below), whose sum is σ = 110841696. Its totient is φ = 90167200.

The previous prime is 100394383. The next prime is 100394407. The reversal of 100394393 is 393493001.

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 100394393 - 2²⁰ = 99345817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100394353) 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, 54068 + ... + 55893.

It is an arithmetic number, because the mean of its divisors is an integer number (13855212).

Almost surely, 2^100394393 is an apocalyptic number.

It is an amenable number.

100394393 is a deficient number, since it is larger than the sum of its proper divisors (10447303).

100394393 is a wasteful number, since it uses less digits than its factorization.

100394393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110055.

The product of its (nonzero) digits is 8748, while the sum is 32.

The square root of 100394393 is about 10019.7002450173. The cubic root of 100394393 is about 464.7682862962.

It can be divided in two parts, 100 and 394393, that added together give a palindrome (394493).

The spelling of 100394393 in words is "one hundred million, three hundred ninety-four thousand, three hundred ninety-three".