201979349 has 16 divisors (see below), whose sum is σ = 237734784. Its totient is φ = 169176000.

The previous prime is 201979301. The next prime is 201979409. The reversal of 201979349 is 943979102.

It is a cyclic number.

It is not a de Polignac number, because 201979349 - 2¹² = 201975253 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 (201979549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105299 + ... + 107199.

It is an arithmetic number, because the mean of its divisors is an integer number (14858424).

Almost surely, 2^201979349 is an apocalyptic number.

It is an amenable number.

201979349 is a deficient number, since it is larger than the sum of its proper divisors (35755435).

201979349 is a wasteful number, since it uses less digits than its factorization.

201979349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 201979349 is about 14211.9438853381. The cubic root of 201979349 is about 586.7264352775.

The spelling of 201979349 in words is "two hundred one million, nine hundred seventy-nine thousand, three hundred forty-nine".