43648428 has 24 divisors (see below), whose sum is σ = 103517680. Its totient is φ = 14310720.

The previous prime is 43648417. The next prime is 43648439. The reversal of 43648428 is 82484634.

It is an interprime number because it is at equal distance from previous prime (43648417) and next prime (43648439).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29083 + ... + 30546.

Almost surely, 2^43648428 is an apocalyptic number.

It is an amenable number.

43648428 is an abundant number, since it is smaller than the sum of its proper divisors (59869252).

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

43648428 is a wasteful number, since it uses less digits than its factorization.

43648428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59697 (or 59695 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 43648428 is about 6606.6956945208. The cubic root of 43648428 is about 352.0920364534.

The spelling of 43648428 in words is "forty-three million, six hundred forty-eight thousand, four hundred twenty-eight".