1149798 has 16 divisors (see below), whose sum is σ = 2476656. Its totient is φ = 353760.

The previous prime is 1149779. The next prime is 1149803. The reversal of 1149798 is 8979411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 7293 + ... + 7448.

It is an arithmetic number, because the mean of its divisors is an integer number (154791).

2^1149798 is an apocalyptic number.

1149798 is an abundant number, since it is smaller than the sum of its proper divisors (1326858).

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

1149798 is a wasteful number, since it uses less digits than its factorization.

1149798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14759.

The product of its digits is 18144, while the sum is 39.

The square root of 1149798 is about 1072.2863423545. The cubic root of 1149798 is about 104.7628206597.

The spelling of 1149798 in words is "one million, one hundred forty-nine thousand, seven hundred ninety-eight".