201394873 has 8 divisors (see below), whose sum is σ = 202950792. Its totient is φ = 199844736.

The previous prime is 201394871. The next prime is 201394883. The reversal of 201394873 is 378493102.

It can be written as a sum of positive squares in 4 ways, for example, as 156075049 + 45319824 = 12493^2 + 6732^2 .

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 201394873 - 2¹ = 201394871 is a prime.

It is a super-2 number, since 2×201394873² = 81119789741372258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201394871) 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, 88911 + ... + 91147.

It is an arithmetic number, because the mean of its divisors is an integer number (25368849).

Almost surely, 2^201394873 is an apocalyptic number.

It is an amenable number.

201394873 is a deficient number, since it is larger than the sum of its proper divisors (1555919).

201394873 is a wasteful number, since it uses less digits than its factorization.

201394873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 201394873 is about 14191.3661428349. The cubic root of 201394873 is about 586.1599436441.

The spelling of 201394873 in words is "two hundred one million, three hundred ninety-four thousand, eight hundred seventy-three".