1398348306 has 16 divisors (see below), whose sum is σ = 3107440800. Its totient is φ = 466116084.

The previous prime is 1398348293. The next prime is 1398348383. The reversal of 1398348306 is 6038438931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12947616 + ... + 12947723.

It is an arithmetic number, because the mean of its divisors is an integer number (194215050).

Almost surely, 2^1398348306 is an apocalyptic number.

1398348306 is an abundant number, since it is smaller than the sum of its proper divisors (1709092494).

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

1398348306 is a wasteful number, since it uses less digits than its factorization.

1398348306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25895350 (or 25895344 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 1398348306 is about 37394.4956644691. The cubic root of 1398348306 is about 1118.2488328123.

The spelling of 1398348306 in words is "one billion, three hundred ninety-eight million, three hundred forty-eight thousand, three hundred six".