201906343 has 4 divisors (see below), whose sum is σ = 202053928. Its totient is φ = 201758760.

The previous prime is 201906337. The next prime is 201906377. The reversal of 201906343 is 343609102.

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 201906343 - 2¹⁷ = 201775271 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 (201906143) 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, 71721 + ... + 74482.

It is an arithmetic number, because the mean of its divisors is an integer number (50513482).

Almost surely, 2^201906343 is an apocalyptic number.

201906343 is a deficient number, since it is larger than the sum of its proper divisors (147585).

201906343 is a wasteful number, since it uses less digits than its factorization.

201906343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147584.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 201906343 is about 14209.3751797889. The cubic root of 201906343 is about 586.6557354555.

The spelling of 201906343 in words is "two hundred one million, nine hundred six thousand, three hundred forty-three".