201906835 has 12 divisors (see below), whose sum is σ = 262360512. Its totient is φ = 149099808.

The previous prime is 201906829. The next prime is 201906847. The reversal of 201906835 is 538609102.

It is not a de Polignac number, because 201906835 - 2⁷ = 201906707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201906835.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118627 + ... + 120316.

It is an arithmetic number, because the mean of its divisors is an integer number (21863376).

Almost surely, 2^201906835 is an apocalyptic number.

201906835 is a deficient number, since it is larger than the sum of its proper divisors (60453677).

201906835 is a wasteful number, since it uses less digits than its factorization.

201906835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238974 (or 238961 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 201906835 is about 14209.3924922919. The cubic root of 201906835 is about 586.6562119708.

The spelling of 201906835 in words is "two hundred one million, nine hundred six thousand, eight hundred thirty-five".