201828855 has 16 divisors (see below), whose sum is σ = 330803424. Its totient is φ = 105016320.

The previous prime is 201828839. The next prime is 201828889. The reversal of 201828855 is 558828102.

It is not a de Polignac number, because 201828855 - 2⁴ = 201828839 is a prime.

It is a super-2 number, since 2×201828855² = 81469773421222050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163474 + ... + 164703.

It is an arithmetic number, because the mean of its divisors is an integer number (20675214).

Almost surely, 2^201828855 is an apocalyptic number.

201828855 is a deficient number, since it is larger than the sum of its proper divisors (128974569).

201828855 is a wasteful number, since it uses less digits than its factorization.

201828855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328226.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 201828855 is about 14206.6482676246. The cubic root of 201828855 is about 586.5806765682.

The spelling of 201828855 in words is "two hundred one million, eight hundred twenty-eight thousand, eight hundred fifty-five".