3855534201 has 64 divisors (see below), whose sum is σ = 6052608000. Its totient is φ = 2422379520.

The previous prime is 3855534191. The next prime is 3855534209. The reversal of 3855534201 is 1024355583.

3855534201 is a `hidden beast` number, since 3 + 85 + 553 + 4 + 20 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-3855534201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3855534209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5437635 + ... + 5438343.

It is an arithmetic number, because the mean of its divisors is an integer number (94572000).

Almost surely, 2^3855534201 is an apocalyptic number.

3855534201 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3855534201 is a deficient number, since it is larger than the sum of its proper divisors (2197073799).

3855534201 is a wasteful number, since it uses less digits than its factorization.

3855534201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 3855534201 is about 62092.9480778615. The cubic root of 3855534201 is about 1568.0558244965.

Adding to 3855534201 its reverse (1024355583), we get a palindrome (4879889784).

The spelling of 3855534201 in words is "three billion, eight hundred fifty-five million, five hundred thirty-four thousand, two hundred one".