3449128 has 8 divisors (see below), whose sum is σ = 6467130. Its totient is φ = 1724560.

The previous prime is 3449119. The next prime is 3449137. The reversal of 3449128 is 8219443.

It is an interprime number because it is at equal distance from previous prime (3449119) and next prime (3449137).

It can be written as a sum of positive squares in only one way, i.e., 1965604 + 1483524 = 1402^2 + 1218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3449128.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215563 + ... + 215578.

Almost surely, 2^3449128 is an apocalyptic number.

It is an amenable number.

3449128 is a deficient number, since it is larger than the sum of its proper divisors (3018002).

3449128 is a wasteful number, since it uses less digits than its factorization.

3449128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431147 (or 431143 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 3449128 is about 1857.1828127570. The cubic root of 3449128 is about 151.0902491064.

The spelling of 3449128 in words is "three million, four hundred forty-nine thousand, one hundred twenty-eight".