3728450 has 24 divisors (see below), whose sum is σ = 7566480. Its totient is φ = 1355600.

The previous prime is 3728447. The next prime is 3728471. The reversal of 3728450 is 548273.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2840 + ... + 3939.

It is an arithmetic number, because the mean of its divisors is an integer number (315270).

Almost surely, 2^3728450 is an apocalyptic number.

3728450 is an abundant number, since it is smaller than the sum of its proper divisors (3838030).

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

3728450 is a wasteful number, since it uses less digits than its factorization.

3728450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802 (or 6797 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3728450 is about 1930.9194700971. The cubic root of 3728450 is about 155.0634495695.

The spelling of 3728450 in words is "three million, seven hundred twenty-eight thousand, four hundred fifty".