628342 has 20 divisors (see below), whose sum is σ = 1113876. Its totient is φ = 263640.

The previous prime is 628319. The next prime is 628357. The reversal of 628342 is 243826.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 48328 + ... + 48340.

2⁶²⁸³⁴² is an apocalyptic number.

628342 is a deficient number, since it is larger than the sum of its proper divisors (485534).

628342 is an equidigital number, since it uses as much as digits as its factorization.

628342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 26 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 628342 is about 792.6802634102. The cubic root of 628342 is about 85.6509195689.

The spelling of 628342 in words is "six hundred twenty-eight thousand, three hundred forty-two".