201839039 has 8 divisors (see below), whose sum is σ = 203847840. Its totient is φ = 199840096.

The previous prime is 201839021. The next prime is 201839063. The reversal of 201839039 is 930938102.

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 201839039 - 2⁸ = 201838783 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 (201839089) 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, 42677 + ... + 47169.

It is an arithmetic number, because the mean of its divisors is an integer number (25480980).

Almost surely, 2^201839039 is an apocalyptic number.

201839039 is a deficient number, since it is larger than the sum of its proper divisors (2008801).

201839039 is a wasteful number, since it uses less digits than its factorization.

201839039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 201839039 is about 14207.0066868429. The cubic root of 201839039 is about 586.5905424141.

The spelling of 201839039 in words is "two hundred one million, eight hundred thirty-nine thousand, thirty-nine".