3896821248 has 80 divisors (see below), whose sum is σ = 10482590976. Its totient is φ = 1286277120.

The previous prime is 3896821211. The next prime is 3896821267. The reversal of 3896821248 is 8421286983.

It is a self number, because there is not a number n which added to its sum of digits gives 3896821248.

It is a congruent number.

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, 145893 + ... + 170523.

Almost surely, 2^3896821248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3896821248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5241295488).

3896821248 is an abundant number, since it is smaller than the sum of its proper divisors (6585769728).

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

3896821248 is a wasteful number, since it uses less digits than its factorization.

3896821248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24755 (or 24739 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 51.

The square root of 3896821248 is about 62424.5244114843. The cubic root of 3896821248 is about 1573.6331466051.

The spelling of 3896821248 in words is "three billion, eight hundred ninety-six million, eight hundred twenty-one thousand, two hundred forty-eight".