428465192 has 8 divisors (see below), whose sum is σ = 803372250. Its totient is φ = 214232592.

The previous prime is 428465189. The next prime is 428465203. The reversal of 428465192 is 291564824.

It can be written as a sum of positive squares in only one way, i.e., 265494436 + 162970756 = 16294^2 + 12766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 26779067 + ... + 26779082.

Almost surely, 2^428465192 is an apocalyptic number.

It is an amenable number.

428465192 is a deficient number, since it is larger than the sum of its proper divisors (374907058).

428465192 is a wasteful number, since it uses less digits than its factorization.

428465192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53558155 (or 53558151 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 428465192 is about 20699.4007642733. The cubic root of 428465192 is about 753.8851384766.

The spelling of 428465192 in words is "four hundred twenty-eight million, four hundred sixty-five thousand, one hundred ninety-two".