1326489798 has 16 divisors (see below), whose sum is σ = 2656521216. Its totient is φ = 441573000.

The previous prime is 1326489797. The next prime is 1326489799. The reversal of 1326489798 is 8979846231.

It is an interprime number because it is at equal distance from previous prime (1326489797) and next prime (1326489799).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326489793) 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, 142686 + ... + 151697.

It is an arithmetic number, because the mean of its divisors is an integer number (166032576).

Almost surely, 2^1326489798 is an apocalyptic number.

1326489798 is an abundant number, since it is smaller than the sum of its proper divisors (1330031418).

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

1326489798 is a wasteful number, since it uses less digits than its factorization.

1326489798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295139.

The product of its digits is 5225472, while the sum is 57.

The square root of 1326489798 is about 36421.0076466865. The cubic root of 1326489798 is about 1098.7561140474.

The spelling of 1326489798 in words is "one billion, three hundred twenty-six million, four hundred eighty-nine thousand, seven hundred ninety-eight".