3533728 has 24 divisors (see below), whose sum is σ = 7590240. Its totient is φ = 1606080.

The previous prime is 3533723. The next prime is 3533729. The reversal of 3533728 is 8273353.

It is a self number, because there is not a number n which added to its sum of digits gives 3533728.

It is not an unprimeable number, because it can be changed into a prime (3533723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4668 + ... + 5371.

It is an arithmetic number, because the mean of its divisors is an integer number (316260).

Almost surely, 2^3533728 is an apocalyptic number.

It is an amenable number.

3533728 is an abundant number, since it is smaller than the sum of its proper divisors (4056512).

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

3533728 is a wasteful number, since it uses less digits than its factorization.

3533728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060 (or 10052 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 3533728 is about 1879.8212680997. The cubic root of 3533728 is about 152.3155954344.

The spelling of 3533728 in words is "three million, five hundred thirty-three thousand, seven hundred twenty-eight".