3304749420 has 576 divisors, whose sum is σ = 12825845760. Its totient is φ = 671846400.

The previous prime is 3304749403. The next prime is 3304749431. The reversal of 3304749420 is 249474033.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 45270504 + ... + 45270576.

Almost surely, 2^3304749420 is an apocalyptic number.

3304749420 is a gapful number since it is divisible by the number (30) 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 3304749420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6412922880).

3304749420 is an abundant number, since it is smaller than the sum of its proper divisors (9521096340).

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

3304749420 is a wasteful number, since it uses less digits than its factorization.

3304749420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The square root of 3304749420 is about 57486.9499973690. The cubic root of 3304749420 is about 1489.5194492528.

The spelling of 3304749420 in words is "three billion, three hundred four million, seven hundred forty-nine thousand, four hundred twenty".