628367 has 4 divisors (see below), whose sum is σ = 630336. Its totient is φ = 626400.

The previous prime is 628363. The next prime is 628373. The reversal of 628367 is 763826.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 628367 - 2² = 628363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 383 + ... + 1184.

It is an arithmetic number, because the mean of its divisors is an integer number (157584).

2⁶²⁸³⁶⁷ is an apocalyptic number.

628367 is a deficient number, since it is larger than the sum of its proper divisors (1969).

628367 is a wasteful number, since it uses less digits than its factorization.

628367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its digits is 12096, while the sum is 32.

The square root of 628367 is about 792.6960325371. The cubic root of 628367 is about 85.6520554920.

The spelling of 628367 in words is "six hundred twenty-eight thousand, three hundred sixty-seven".