3898143936 has 84 divisors (see below), whose sum is σ = 11326507192. Its totient is φ = 1281567744.

The previous prime is 3898143923. The next prime is 3898143959. The reversal of 3898143936 is 6393418983.

It is a super-2 number, since 2×3898143936² = 30391052291547144192, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 4306 + ... + 88401.

Almost surely, 2^3898143936 is an apocalyptic number.

3898143936 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3898143936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5663253596).

3898143936 is an abundant number, since it is smaller than the sum of its proper divisors (7428363256).

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

3898143936 is a wasteful number, since it uses less digits than its factorization.

3898143936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92798 (or 92785 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 3898143936 is about 62435.1178104118. The cubic root of 3898143936 is about 1573.8111712132.

The spelling of 3898143936 in words is "three billion, eight hundred ninety-eight million, one hundred forty-three thousand, nine hundred thirty-six".