3897454218 has 24 divisors (see below), whose sum is σ = 9067547232. Its totient is φ = 1113558264.

The previous prime is 3897454181. The next prime is 3897454243. The reversal of 3897454218 is 8124547983.

It is a happy number.

3897454218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6628030 + ... + 6628617.

It is an arithmetic number, because the mean of its divisors is an integer number (377814468).

Almost surely, 2^3897454218 is an apocalyptic number.

3897454218 is an abundant number, since it is smaller than the sum of its proper divisors (5170093014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3897454218 is a wasteful number, since it uses less digits than its factorization.

3897454218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13256666 (or 13256659 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 3897454218 is about 62429.5940880605. The cubic root of 3897454218 is about 1573.7183449915.

The spelling of 3897454218 in words is "three billion, eight hundred ninety-seven million, four hundred fifty-four thousand, two hundred eighteen".