1302889648 has 20 divisors (see below), whose sum is σ = 2634103728. Its totient is φ = 623120960.

The previous prime is 1302889589. The next prime is 1302889649. The reversal of 1302889648 is 8469882031.

It is a super-3 number, since 3×1302889648³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1302889649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769863 + ... + 1770598.

Almost surely, 2^1302889648 is an apocalyptic number.

It is an amenable number.

1302889648 is an abundant number, since it is smaller than the sum of its proper divisors (1331214080).

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

1302889648 is a wasteful number, since it uses less digits than its factorization.

1302889648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540492 (or 3540486 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 1302889648 is about 36095.5627189825. The cubic root of 1302889648 is about 1092.2009362469.

The spelling of 1302889648 in words is "one billion, three hundred two million, eight hundred eighty-nine thousand, six hundred forty-eight".