428198042 has 8 divisors (see below), whose sum is σ = 657234336. Its totient is φ = 209119932.

The previous prime is 428197993. The next prime is 428198063. The reversal of 428198042 is 240891824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 428197987 and 428198005.

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, 2489438 + ... + 2489609.

It is an arithmetic number, because the mean of its divisors is an integer number (82154292).

Almost surely, 2^428198042 is an apocalyptic number.

428198042 is a deficient number, since it is larger than the sum of its proper divisors (229036294).

428198042 is a wasteful number, since it uses less digits than its factorization.

428198042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979092.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 428198042 is about 20692.9466727192. The cubic root of 428198042 is about 753.7284222945.

The spelling of 428198042 in words is "four hundred twenty-eight million, one hundred ninety-eight thousand, forty-two".