426728828 has 36 divisors (see below), whose sum is σ = 800124360. Its totient is φ = 198585504.

The previous prime is 426728791. The next prime is 426728831. The reversal of 426728828 is 828827624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263750 + ... + 265362.

Almost surely, 2^426728828 is an apocalyptic number.

It is an amenable number.

426728828 is a deficient number, since it is larger than the sum of its proper divisors (373395532).

426728828 is a wasteful number, since it uses less digits than its factorization.

426728828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754 (or 1693 counting only the distinct ones).

The product of its digits is 688128, while the sum is 47.

The square root of 426728828 is about 20657.4158112771. The cubic root of 426728828 is about 752.8653813634.

The spelling of 426728828 in words is "four hundred twenty-six million, seven hundred twenty-eight thousand, eight hundred twenty-eight".