419009828 has 6 divisors (see below), whose sum is σ = 733267206. Its totient is φ = 209504912.

The previous prime is 419009827. The next prime is 419009839. The reversal of 419009828 is 828900914.

It can be written as a sum of positive squares in only one way, i.e., 380172004 + 38837824 = 19498^2 + 6232^2 .

It is not an unprimeable number, because it can be changed into a prime (419009827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52376225 + ... + 52376232.

It is an arithmetic number, because the mean of its divisors is an integer number (122211201).

Almost surely, 2^419009828 is an apocalyptic number.

It is an amenable number.

419009828 is a deficient number, since it is larger than the sum of its proper divisors (314257378).

419009828 is a wasteful number, since it uses less digits than its factorization.

419009828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104752461 (or 104752459 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 419009828 is about 20469.7295536604. The cubic root of 419009828 is about 748.2982620003.

The spelling of 419009828 in words is "four hundred nineteen million, nine thousand, eight hundred twenty-eight".