201890371 has 4 divisors (see below), whose sum is σ = 212516200. Its totient is φ = 191264544.

The previous prime is 201890369. The next prime is 201890387. The reversal of 201890371 is 173098102.

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

It is a cyclic number.

It is not a de Polignac number, because 201890371 - 2¹ = 201890369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201890071) 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, 5312886 + ... + 5312923.

It is an arithmetic number, because the mean of its divisors is an integer number (53129050).

Almost surely, 2^201890371 is an apocalyptic number.

201890371 is a deficient number, since it is larger than the sum of its proper divisors (10625829).

201890371 is a wasteful number, since it uses less digits than its factorization.

201890371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10625828.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 201890371 is about 14208.8131453686. The cubic root of 201890371 is about 586.6402657211.

The spelling of 201890371 in words is "two hundred one million, eight hundred ninety thousand, three hundred seventy-one".