3869898906 has 16 divisors (see below), whose sum is σ = 7740954144. Its totient is φ = 1289773584.

The previous prime is 3869898899. The next prime is 3869898937. The reversal of 3869898906 is 6098989683.

It is a super-2 number, since 2×3869898906² = 29952235085319993672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140 + ... + 87983.

It is an arithmetic number, because the mean of its divisors is an integer number (483809634).

Almost surely, 2^3869898906 is an apocalyptic number.

3869898906 is an abundant number, since it is smaller than the sum of its proper divisors (3871055238).

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

3869898906 is a wasteful number, since it uses less digits than its factorization.

3869898906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96365.

The product of its (nonzero) digits is 40310784, while the sum is 66.

The square root of 3869898906 is about 62208.5115237457. The cubic root of 3869898906 is about 1570.0007986797. Note that the first 3 decimals are identical.

The spelling of 3869898906 in words is "three billion, eight hundred sixty-nine million, eight hundred ninety-eight thousand, nine hundred six".