428192 has 12 divisors (see below), whose sum is σ = 843066. Its totient is φ = 214080.

The previous prime is 428177. The next prime is 428221. The reversal of 428192 is 291824.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 13456 = 644^2 + 116^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

428192 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659 + ... + 6722.

2⁴²⁸¹⁹² is an apocalyptic number.

It is an amenable number.

428192 is a deficient number, since it is larger than the sum of its proper divisors (414874).

428192 is a wasteful number, since it uses less digits than its factorization.

428192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13391 (or 13383 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 428192 is about 654.3638131804. The cubic root of 428192 is about 75.3724877168.

The spelling of 428192 in words is "four hundred twenty-eight thousand, one hundred ninety-two".