419859428 has 12 divisors (see below), whose sum is σ = 748617660. Its totient is φ = 205968672.

The previous prime is 419859403. The next prime is 419859437. The reversal of 419859428 is 824958914.

It can be written as a sum of positive squares in 2 ways, for example, as 119946304 + 299913124 = 10952^2 + 17318^2 .

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 3 ways as a sum of consecutive naturals, for example, 990023 + ... + 990446.

It is an arithmetic number, because the mean of its divisors is an integer number (62384805).

Almost surely, 2^419859428 is an apocalyptic number.

It is an amenable number.

419859428 is a deficient number, since it is larger than the sum of its proper divisors (328758232).

419859428 is a wasteful number, since it uses less digits than its factorization.

419859428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980526 (or 1980524 counting only the distinct ones).

The product of its digits is 829440, while the sum is 50.

The square root of 419859428 is about 20490.4716392766. The cubic root of 419859428 is about 748.8036797347.

The spelling of 419859428 in words is "four hundred nineteen million, eight hundred fifty-nine thousand, four hundred twenty-eight".