628001032 has 32 divisors (see below), whose sum is σ = 1230211800. Its totient is φ = 300160000.

The previous prime is 628000979. The next prime is 628001071. The reversal of 628001032 is 230100826.

It can be written as a sum of positive squares in 4 ways, for example, as 608411556 + 19589476 = 24666^2 + 4426^2 .

It is a junction number, because it is equal to n+sod(n) for n = 628000994 and 628001012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10032 + ... + 36832.

Almost surely, 2^628001032 is an apocalyptic number.

It is an amenable number.

628001032 is a deficient number, since it is larger than the sum of its proper divisors (602210768).

628001032 is a wasteful number, since it uses less digits than its factorization.

628001032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26937 (or 26933 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 628001032 is about 25059.9487629165. The cubic root of 628001032 is about 856.3542402298.

Adding to 628001032 its reverse (230100826), we get a palindrome (858101858).

The spelling of 628001032 in words is "six hundred twenty-eight million, one thousand, thirty-two".