1399874 has 8 divisors (see below), whose sum is σ = 2399808. Its totient is φ = 599940.

The previous prime is 1399861. The next prime is 1399883. The reversal of 1399874 is 4789931.

It is a happy number.

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

It is a Curzon 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, 49982 + ... + 50009.

It is an arithmetic number, because the mean of its divisors is an integer number (299976).

2^1399874 is an apocalyptic number.

1399874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1399874 is a deficient number, since it is larger than the sum of its proper divisors (999934).

1399874 is an equidigital number, since it uses as much as digits as its factorization.

1399874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100000.

The product of its digits is 54432, while the sum is 41.

The square root of 1399874 is about 1183.1627107038. The cubic root of 1399874 is about 111.8655380406.

The spelling of 1399874 in words is "one million, three hundred ninety-nine thousand, eight hundred seventy-four".