3074428 has 24 divisors (see below), whose sum is σ = 6473600. Its totient is φ = 1248048.

The previous prime is 3074419. The next prime is 3074459. The reversal of 3074428 is 8244703.

3074428 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 3074396 and 3074405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2358 + ... + 3421.

Almost surely, 2^3074428 is an apocalyptic number.

3074428 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3074428 is an abundant number, since it is smaller than the sum of its proper divisors (3399172).

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

3074428 is a wasteful number, since it uses less digits than its factorization.

3074428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5809 (or 5807 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 3074428 is about 1753.4046880284. The cubic root of 3074428 is about 145.4079356814.

The spelling of 3074428 in words is "three million, seventy-four thousand, four hundred twenty-eight".