201400349 has 4 divisors (see below), whose sum is σ = 201612636. Its totient is φ = 201188064.

The previous prime is 201400319. The next prime is 201400373. The reversal of 201400349 is 943004102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 69839449 + 131560900 = 8357^2 + 11470^2 .

It is a cyclic number.

It is not a de Polignac number, because 201400349 - 2⁸ = 201400093 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 (201400319) 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, 104714 + ... + 106619.

It is an arithmetic number, because the mean of its divisors is an integer number (50403159).

Almost surely, 2^201400349 is an apocalyptic number.

It is an amenable number.

201400349 is a deficient number, since it is larger than the sum of its proper divisors (212287).

201400349 is an equidigital number, since it uses as much as digits as its factorization.

201400349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212286.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 201400349 is about 14191.5590757323. The cubic root of 201400349 is about 586.1652562301.

The spelling of 201400349 in words is "two hundred one million, four hundred thousand, three hundred forty-nine".