628363436 has 6 divisors (see below), whose sum is σ = 1099636020. Its totient is φ = 314181716.

The previous prime is 628363433. The next prime is 628363441. The reversal of 628363436 is 634363826.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 628363393 and 628363402.

It is not an unprimeable number, because it can be changed into a prime (628363433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78545426 + ... + 78545433.

It is an arithmetic number, because the mean of its divisors is an integer number (183272670).

Almost surely, 2^628363436 is an apocalyptic number.

It is an amenable number.

628363436 is a deficient number, since it is larger than the sum of its proper divisors (471272584).

628363436 is a wasteful number, since it uses less digits than its factorization.

628363436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157090863 (or 157090861 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The square root of 628363436 is about 25067.1784610873. The cubic root of 628363436 is about 856.5189355661.

The spelling of 628363436 in words is "six hundred twenty-eight million, three hundred sixty-three thousand, four hundred thirty-six".