101894399 has 4 divisors (see below), whose sum is σ = 102829320. Its totient is φ = 100959480.

The previous prime is 101894381. The next prime is 101894407. The reversal of 101894399 is 993498101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101894399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101884399) 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, 467297 + ... + 467514.

It is an arithmetic number, because the mean of its divisors is an integer number (25707330).

Almost surely, 2^101894399 is an apocalyptic number.

101894399 is a deficient number, since it is larger than the sum of its proper divisors (934921).

101894399 is an equidigital number, since it uses as much as digits as its factorization.

101894399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934920.

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

The square root of 101894399 is about 10094.2755559773. The cubic root of 101894399 is about 467.0715744833.

The spelling of 101894399 in words is "one hundred one million, eight hundred ninety-four thousand, three hundred ninety-nine".