628683453 has 12 divisors (see below), whose sum is σ = 908505468. Its totient is φ = 418934400.

The previous prime is 628683427. The next prime is 628683467. The reversal of 628683453 is 354386826.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 623900484 + 4782969 = 24978^2 + 2187^2 .

It is not a de Polignac number, because 628683453 - 2⁸ = 628683197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 628683399 and 628683408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628683413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7303 + ... + 36203.

It is an arithmetic number, because the mean of its divisors is an integer number (75708789).

Almost surely, 2^628683453 is an apocalyptic number.

It is an amenable number.

628683453 is a deficient number, since it is larger than the sum of its proper divisors (279822015).

628683453 is a wasteful number, since it uses less digits than its factorization.

628683453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31324 (or 31321 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 628683453 is about 25073.5608360679. The cubic root of 628683453 is about 856.6643153924.

The spelling of 628683453 in words is "six hundred twenty-eight million, six hundred eighty-three thousand, four hundred fifty-three".