105994389 has 8 divisors (see below), whose sum is σ = 144772992. Its totient is φ = 68939360.

The previous prime is 105994367. The next prime is 105994397. The reversal of 105994389 is 983499501.

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 105994389 - 2²¹ = 103897237 is a prime.

It is a super-2 number, since 2×105994389² = 22469620998966642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105994309) 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, 430749 + ... + 430994.

It is an arithmetic number, because the mean of its divisors is an integer number (18096624).

Almost surely, 2^105994389 is an apocalyptic number.

It is an amenable number.

105994389 is a deficient number, since it is larger than the sum of its proper divisors (38778603).

105994389 is an equidigital number, since it uses as much as digits as its factorization.

105994389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861787.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 105994389 is about 10295.3576431322. The cubic root of 105994389 is about 473.2539984185.

The spelling of 105994389 in words is "one hundred five million, nine hundred ninety-four thousand, three hundred eighty-nine".