3049428 has 12 divisors (see below), whose sum is σ = 7115360. Its totient is φ = 1016472.

The previous prime is 3049427. The next prime is 3049441. The reversal of 3049428 is 8249403.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3049428² = 18598022254368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3049395 and 3049404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3049421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127048 + ... + 127071.

Almost surely, 2^3049428 is an apocalyptic number.

It is an amenable number.

3049428 is an abundant number, since it is smaller than the sum of its proper divisors (4065932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3049428 is a wasteful number, since it uses less digits than its factorization.

3049428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254126 (or 254124 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3049428 is about 1746.2611488549. The cubic root of 3049428 is about 145.0127297583.

The spelling of 3049428 in words is "three million, forty-nine thousand, four hundred twenty-eight".