1224398 has 16 divisors (see below), whose sum is σ = 2209920. Its totient is φ = 497016.

The previous prime is 1224389. The next prime is 1224403. The reversal of 1224398 is 8934221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224398.

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, 2036 + ... + 2567.

It is an arithmetic number, because the mean of its divisors is an integer number (138120).

2^1224398 is an apocalyptic number.

1224398 is a deficient number, since it is larger than the sum of its proper divisors (985522).

1224398 is a wasteful number, since it uses less digits than its factorization.

1224398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4631.

The product of its digits is 3456, while the sum is 29.

The square root of 1224398 is about 1106.5251917602. The cubic root of 1224398 is about 106.9812177706.

The spelling of 1224398 in words is "one million, two hundred twenty-four thousand, three hundred ninety-eight".