101839994 has 8 divisors (see below), whose sum is σ = 153484608. Its totient is φ = 50678460.

The previous prime is 101839993. The next prime is 101839999. The reversal of 101839994 is 499938101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101839993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120242 + ... + 121085.

It is an arithmetic number, because the mean of its divisors is an integer number (19185576).

Almost surely, 2^101839994 is an apocalyptic number.

101839994 is a deficient number, since it is larger than the sum of its proper divisors (51644614).

101839994 is a wasteful number, since it uses less digits than its factorization.

101839994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241540.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 101839994 is about 10091.5803519568. The cubic root of 101839994 is about 466.9884310419.

The spelling of 101839994 in words is "one hundred one million, eight hundred thirty-nine thousand, nine hundred ninety-four".