3422728 has 16 divisors (see below), whose sum is σ = 6554880. Its totient is φ = 1674768.

The previous prime is 3422723. The next prime is 3422737. The reversal of 3422728 is 8272243.

It is a junction number, because it is equal to n+sod(n) for n = 3422696 and 3422705.

It is not an unprimeable number, because it can be changed into a prime (3422723) 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, 4176 + ... + 4927.

It is an arithmetic number, because the mean of its divisors is an integer number (409680).

Almost surely, 2^3422728 is an apocalyptic number.

It is an amenable number.

3422728 is a deficient number, since it is larger than the sum of its proper divisors (3132152).

3422728 is a wasteful number, since it uses less digits than its factorization.

3422728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156 (or 9152 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 3422728 is about 1850.0616205954. The cubic root of 3422728 is about 150.7037743287.

The spelling of 3422728 in words is "three million, four hundred twenty-two thousand, seven hundred twenty-eight".