3297729448 has 48 divisors (see below), whose sum is σ = 6787385820. Its totient is φ = 1501134336.

The previous prime is 3297729431. The next prime is 3297729493. The reversal of 3297729448 is 8449277923.

3297729448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1460921284 + 1836808164 = 38222^2 + 42858^2 .

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, 81990 + ... + 115402.

Almost surely, 2^3297729448 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 3297729448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3393692910).

3297729448 is an abundant number, since it is smaller than the sum of its proper divisors (3489656372).

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

3297729448 is a wasteful number, since it uses less digits than its factorization.

3297729448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33518 (or 33501 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 55.

The square root of 3297729448 is about 57425.8604463181. The cubic root of 3297729448 is about 1488.4640190129.

The spelling of 3297729448 in words is "three billion, two hundred ninety-seven million, seven hundred twenty-nine thousand, four hundred forty-eight".