1398308 has 12 divisors (see below), whose sum is σ = 2553600. Its totient is φ = 668712.

The previous prime is 1398307. The next prime is 1398323. The reversal of 1398308 is 8038931.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1398307) 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, 7508 + ... + 7691.

It is an arithmetic number, because the mean of its divisors is an integer number (212800).

2^1398308 is an apocalyptic number.

It is an amenable number.

1398308 is a deficient number, since it is larger than the sum of its proper divisors (1155292).

1398308 is a wasteful number, since it uses less digits than its factorization.

1398308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226 (or 15224 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1398308 is about 1182.5007399575. The cubic root of 1398308 is about 111.8238088572.

The spelling of 1398308 in words is "one million, three hundred ninety-eight thousand, three hundred eight".