3313309428 has 192 divisors, whose sum is σ = 10260176640. Its totient is φ = 911347200.

The previous prime is 3313309423. The next prime is 3313309457. The reversal of 3313309428 is 8249033133.

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

It is a junction number, because it is equal to n+sod(n) for n = 3313309392 and 3313309401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3313309423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 940326 + ... + 943842.

It is an arithmetic number, because the mean of its divisors is an integer number (53438420).

Almost surely, 2^3313309428 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 3313309428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5130088320).

3313309428 is an abundant number, since it is smaller than the sum of its proper divisors (6946867212).

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

3313309428 is a wasteful number, since it uses less digits than its factorization.

3313309428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3615 (or 3607 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3313309428 is about 57561.3535977048. The cubic root of 3313309428 is about 1490.8043984708.

The spelling of 3313309428 in words is "three billion, three hundred thirteen million, three hundred nine thousand, four hundred twenty-eight".