3468728 has 16 divisors (see below), whose sum is σ = 6615000. Its totient is φ = 1704736.

The previous prime is 3468727. The next prime is 3468733. The reversal of 3468728 is 8278643.

It is a junction number, because it is equal to n+sod(n) for n = 3468691 and 3468700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3468721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3203 + ... + 4146.

Almost surely, 2^3468728 is an apocalyptic number.

It is an amenable number.

3468728 is a deficient number, since it is larger than the sum of its proper divisors (3146272).

3468728 is a wasteful number, since it uses less digits than its factorization.

3468728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414 (or 7410 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 3468728 is about 1862.4521470363. The cubic root of 3468728 is about 151.3759036355.

The spelling of 3468728 in words is "three million, four hundred sixty-eight thousand, seven hundred twenty-eight".