428047516 has 12 divisors (see below), whose sum is σ = 806705032. Its totient is φ = 197560368.

The previous prime is 428047507. The next prime is 428047541. The reversal of 428047516 is 615740824.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4115790 + ... + 4115893.

Almost surely, 2^428047516 is an apocalyptic number.

It is an amenable number.

428047516 is a deficient number, since it is larger than the sum of its proper divisors (378657516).

428047516 is a wasteful number, since it uses less digits than its factorization.

428047516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231700 (or 8231698 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 428047516 is about 20689.3092199812. The cubic root of 428047516 is about 753.6400916542.

The spelling of 428047516 in words is "four hundred twenty-eight million, forty-seven thousand, five hundred sixteen".