3372728 has 16 divisors (see below), whose sum is σ = 6657000. Its totient is φ = 1597536.

The previous prime is 3372727. The next prime is 3372731. The reversal of 3372728 is 8272733.

It is a happy number.

It is a super-2 number, since 2×3372728² = 22750588323968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3372694 and 3372703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3372727) 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, 10943 + ... + 11246.

Almost surely, 2^3372728 is an apocalyptic number.

3372728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3372728 is a deficient number, since it is larger than the sum of its proper divisors (3284272).

3372728 is a wasteful number, since it uses less digits than its factorization.

3372728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22214 (or 22210 counting only the distinct ones).

The product of its digits is 14112, while the sum is 32.

The square root of 3372728 is about 1836.4988429073. The cubic root of 3372728 is about 149.9663331849.

The spelling of 3372728 in words is "three million, three hundred seventy-two thousand, seven hundred twenty-eight".