3378428 has 12 divisors (see below), whose sum is σ = 6223560. Its totient is φ = 1600272.

The previous prime is 3378391. The next prime is 3378439. The reversal of 3378428 is 8248733.

It is a super-2 number, since 2×3378428² = 22827551502368, which contains 22 as substring.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

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, 22151 + ... + 22302.

It is an arithmetic number, because the mean of its divisors is an integer number (518630).

Almost surely, 2^3378428 is an apocalyptic number.

3378428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3378428 is a deficient number, since it is larger than the sum of its proper divisors (2845132).

3378428 is a wasteful number, since it uses less digits than its factorization.

3378428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44476 (or 44474 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 3378428 is about 1838.0500537254. The cubic root of 3378428 is about 150.0507680006.

It can be divided in two parts, 337842 and 8, that multiplied together give a square (2702736 = 1644²).

The spelling of 3378428 in words is "three million, three hundred seventy-eight thousand, four hundred twenty-eight".