1398450304 has 64 divisors (see below), whose sum is σ = 2865139200. Its totient is φ = 679495680.

The previous prime is 1398450299. The next prime is 1398450323. The reversal of 1398450304 is 4030548931.

It is a tau number, because it is divible by the number of its divisors (64).

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, 2303569 + ... + 2304175.

It is an arithmetic number, because the mean of its divisors is an integer number (44767800).

Almost surely, 2^1398450304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1398450304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1432569600).

1398450304 is an abundant number, since it is smaller than the sum of its proper divisors (1466688896).

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

1398450304 is an equidigital number, since it uses as much as digits as its factorization.

1398450304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1398450304 is about 37395.8594499445. The cubic root of 1398450304 is about 1118.2760211675.

The spelling of 1398450304 in words is "one billion, three hundred ninety-eight million, four hundred fifty thousand, three hundred four".