3898223136 has 72 divisors (see below), whose sum is σ = 11343412080. Its totient is φ = 1269184896.

The previous prime is 3898223129. The next prime is 3898223143. The reversal of 3898223136 is 6313228983.

3898223136 is a `hidden beast` number, since 389 + 8 + 2 + 231 + 36 = 666.

It is an interprime number because it is at equal distance from previous prime (3898223129) and next prime (3898223143).

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×3898223136² = 30392287236091348992, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 3898223091 and 3898223100.

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, 145006 + ... + 169773.

It is an arithmetic number, because the mean of its divisors is an integer number (157547390).

Almost surely, 2^3898223136 is an apocalyptic number.

3898223136 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3898223136 is an abundant number, since it is smaller than the sum of its proper divisors (7445188944).

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

3898223136 is a wasteful number, since it uses less digits than its factorization.

3898223136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314838 (or 314827 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 3898223136 is about 62435.7520656234. The cubic root of 3898223136 is about 1573.8218297046.

The spelling of 3898223136 in words is "three billion, eight hundred ninety-eight million, two hundred twenty-three thousand, one hundred thirty-six".