428733650 has 24 divisors (see below), whose sum is σ = 815993904. Its totient is φ = 167504400.

The previous prime is 428733631. The next prime is 428733719. The reversal of 428733650 is 56337824.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97556 + ... + 101855.

It is an arithmetic number, because the mean of its divisors is an integer number (33999746).

Almost surely, 2^428733650 is an apocalyptic number.

428733650 is a deficient number, since it is larger than the sum of its proper divisors (387260254).

428733650 is a wasteful number, since it uses less digits than its factorization.

428733650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199466 (or 199461 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 428733650 is about 20705.8844293114. The cubic root of 428733650 is about 754.0425563533.

The spelling of 428733650 in words is "four hundred twenty-eight million, seven hundred thirty-three thousand, six hundred fifty".