428575774 has 32 divisors (see below), whose sum is σ = 710954496. Its totient is φ = 192148320.

The previous prime is 428575769. The next prime is 428575783. The reversal of 428575774 is 477575824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576447 + ... + 577189.

It is an arithmetic number, because the mean of its divisors is an integer number (22217328).

Almost surely, 2^428575774 is an apocalyptic number.

428575774 is a deficient number, since it is larger than the sum of its proper divisors (282378722).

428575774 is a wasteful number, since it uses less digits than its factorization.

428575774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080.

The product of its digits is 2195200, while the sum is 49.

The square root of 428575774 is about 20702.0717320755. The cubic root of 428575774 is about 753.9499892953.

Subtracting 428575774 from its reverse (477575824), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 428575774 in words is "four hundred twenty-eight million, five hundred seventy-five thousand, seven hundred seventy-four".