3911209848 has 256 divisors, whose sum is σ = 13453977600. Its totient is φ = 1025187840.

The previous prime is 3911209817. The next prime is 3911209871. The reversal of 3911209848 is 8489021193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3793093 + ... + 3794123.

It is an arithmetic number, because the mean of its divisors is an integer number (52554600).

Almost surely, 2^3911209848 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 3911209848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6726988800).

3911209848 is an abundant number, since it is smaller than the sum of its proper divisors (9542767752).

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

3911209848 is a wasteful number, since it uses less digits than its factorization.

3911209848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1249 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 3911209848 is about 62539.6661967427. Note that the first 3 decimals coincide. The cubic root of 3911209848 is about 1575.5675922542.

The spelling of 3911209848 in words is "three billion, nine hundred eleven million, two hundred nine thousand, eight hundred forty-eight".