1397018 has 8 divisors (see below), whose sum is σ = 2394912. Its totient is φ = 598716.

The previous prime is 1396999. The next prime is 1397021. The reversal of 1397018 is 8107931.

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

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, 49880 + ... + 49907.

It is an arithmetic number, because the mean of its divisors is an integer number (299364).

2^1397018 is an apocalyptic number.

1397018 is a deficient number, since it is larger than the sum of its proper divisors (997894).

1397018 is an equidigital number, since it uses as much as digits as its factorization.

1397018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99796.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 1397018 is about 1181.9551598940. The cubic root of 1397018 is about 111.7894108333.

The spelling of 1397018 in words is "one million, three hundred ninety-seven thousand, eighteen".