100394 has 16 divisors (see below), whose sum is σ = 176256. Its totient is φ = 42000.

The previous prime is 100393. The next prime is 100403. The reversal of 100394 is 493001.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100391) 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, 944 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (11016).

2¹⁰⁰³⁹⁴ is an apocalyptic number.

100394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

100394 is a deficient number, since it is larger than the sum of its proper divisors (75862).

100394 is a wasteful number, since it uses less digits than its factorization.

100394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 100394 is about 316.8501222976. The cubic root of 100394 is about 46.4767679841.

Adding to 100394 its reverse (493001), we get a palindrome (593395).

It can be divided in two parts, 100 and 394, that added together give a palindrome (494).

The spelling of 100394 in words is "one hundred thousand, three hundred ninety-four".