1367998 has 8 divisors (see below), whose sum is σ = 2063880. Its totient is φ = 680040.

The previous prime is 1367987. The next prime is 1368013. The reversal of 1367998 is 8997631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (257985).

2^1367998 is an apocalyptic number.

1367998 is a deficient number, since it is larger than the sum of its proper divisors (695882).

1367998 is a wasteful number, since it uses less digits than its factorization.

1367998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3962.

The product of its digits is 81648, while the sum is 43.

The square root of 1367998 is about 1169.6144663948. The cubic root of 1367998 is about 111.0099279598.

The spelling of 1367998 in words is "one million, three hundred sixty-seven thousand, nine hundred ninety-eight".