1148398 has 16 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 531576.

The previous prime is 1148387. The next prime is 1148437. The reversal of 1148398 is 8938411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1465 + ... + 2107.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^1148398 is an apocalyptic number.

1148398 is a deficient number, since it is larger than the sum of its proper divisors (706322).

1148398 is a wasteful number, since it uses less digits than its factorization.

1148398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its digits is 6912, while the sum is 34.

The square root of 1148398 is about 1071.6333328149. The cubic root of 1148398 is about 104.7202834729.

The spelling of 1148398 in words is "one million, one hundred forty-eight thousand, three hundred ninety-eight".