428804366 has 16 divisors (see below), whose sum is σ = 649520304. Its totient is φ = 212307264.

The previous prime is 428804351. The next prime is 428804381. The reversal of 428804366 is 663408824.

It is an interprime number because it is at equal distance from previous prime (428804351) and next prime (428804381).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96101 + ... + 100463.

It is an arithmetic number, because the mean of its divisors is an integer number (40595019).

Almost surely, 2^428804366 is an apocalyptic number.

428804366 is a deficient number, since it is larger than the sum of its proper divisors (220715938).

428804366 is a wasteful number, since it uses less digits than its factorization.

428804366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835.

The product of its (nonzero) digits is 221184, while the sum is 41.

The square root of 428804366 is about 20707.5919894130. The cubic root of 428804366 is about 754.0840117278.

The spelling of 428804366 in words is "four hundred twenty-eight million, eight hundred four thousand, three hundred sixty-six".