428173342 has 16 divisors (see below), whose sum is σ = 664938000. Its totient is φ = 206539200.

The previous prime is 428173331. The next prime is 428173351. The reversal of 428173342 is 243371824.

It is a junction number, because it is equal to n+sod(n) for n = 428173298 and 428173307.

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, 102409 + ... + 106507.

It is an arithmetic number, because the mean of its divisors is an integer number (41558625).

Almost surely, 2^428173342 is an apocalyptic number.

428173342 is a deficient number, since it is larger than the sum of its proper divisors (236764658).

428173342 is a wasteful number, since it uses less digits than its factorization.

428173342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5931.

The product of its digits is 32256, while the sum is 34.

The square root of 428173342 is about 20692.3498423934. The cubic root of 428173342 is about 753.7139294289.

The spelling of 428173342 in words is "four hundred twenty-eight million, one hundred seventy-three thousand, three hundred forty-two".