3100028 has 6 divisors (see below), whose sum is σ = 5425056. Its totient is φ = 1550012.

The previous prime is 3100007. The next prime is 3100043. The reversal of 3100028 is 8200013.

It is a super-2 number, since 2×3100028² = 19220347201568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3099985 and 3100021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387500 + ... + 387507.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 2^3100028 is an apocalyptic number.

It is an amenable number.

3100028 is a deficient number, since it is larger than the sum of its proper divisors (2325028).

3100028 is a wasteful number, since it uses less digits than its factorization.

3100028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775011 (or 775009 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3100028 is about 1760.6896376136. The cubic root of 3100028 is about 145.8104125791.

The spelling of 3100028 in words is "three million, one hundred thousand, twenty-eight".