28483428 has 24 divisors (see below), whose sum is σ = 66560032. Its totient is φ = 9480384.

The previous prime is 28483393. The next prime is 28483459. The reversal of 28483428 is 82438482.

It is a super-2 number, since 2×28483428² = 1622611341262368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 9576 + ... + 12192.

Almost surely, 2^28483428 is an apocalyptic number.

It is an amenable number.

28483428 is an abundant number, since it is smaller than the sum of its proper divisors (38076604).

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

28483428 is a wasteful number, since it uses less digits than its factorization.

28483428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531 (or 3529 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The square root of 28483428 is about 5336.9867903153. The cubic root of 28483428 is about 305.3965209111.

The spelling of 28483428 in words is "twenty-eight million, four hundred eighty-three thousand, four hundred twenty-eight".