1298946628 has 24 divisors (see below), whose sum is σ = 2734625600. Its totient is φ = 527391648.

The previous prime is 1298946611. The next prime is 1298946629. The reversal of 1298946628 is 8266498921.

It is not an unprimeable number, because it can be changed into a prime (1298946629) 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, 1220283 + ... + 1221346.

Almost surely, 2^1298946628 is an apocalyptic number.

It is an amenable number.

1298946628 is an abundant number, since it is smaller than the sum of its proper divisors (1435678972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298946628 is a wasteful number, since it uses less digits than its factorization.

1298946628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441659 (or 2441657 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 55.

The square root of 1298946628 is about 36040.9021529706. The cubic root of 1298946628 is about 1091.0980232260.

The spelling of 1298946628 in words is "one billion, two hundred ninety-eight million, nine hundred forty-six thousand, six hundred twenty-eight".