628235893 has 8 divisors (see below), whose sum is σ = 664218720. Its totient is φ = 592544880.

The previous prime is 628235849. The next prime is 628235911. The reversal of 628235893 is 398532826.

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

It is a cyclic number.

It is not a de Polignac number, because 628235893 - 2¹³ = 628227701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628235813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68518 + ... + 77143.

It is an arithmetic number, because the mean of its divisors is an integer number (83027340).

Almost surely, 2^628235893 is an apocalyptic number.

It is an amenable number.

628235893 is a deficient number, since it is larger than the sum of its proper divisors (35982827).

628235893 is a wasteful number, since it uses less digits than its factorization.

628235893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145907.

The product of its digits is 622080, while the sum is 46.

The square root of 628235893 is about 25064.6343081243. The cubic root of 628235893 is about 856.4609805779.

The spelling of 628235893 in words is "six hundred twenty-eight million, two hundred thirty-five thousand, eight hundred ninety-three".