3099428 has 6 divisors (see below), whose sum is σ = 5424006. Its totient is φ = 1549712.

The previous prime is 3099419. The next prime is 3099431. The reversal of 3099428 is 8249903.

3099428 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 350464 = 1658^2 + 592^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387425 + ... + 387432.

It is an arithmetic number, because the mean of its divisors is an integer number (904001).

Almost surely, 2^3099428 is an apocalyptic number.

It is an amenable number.

3099428 is a deficient number, since it is larger than the sum of its proper divisors (2324578).

3099428 is a wasteful number, since it uses less digits than its factorization.

3099428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774861 (or 774859 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3099428 is about 1760.5192415875. The cubic root of 3099428 is about 145.8010049337.

The spelling of 3099428 in words is "three million, ninety-nine thousand, four hundred twenty-eight".