1399927 has 4 divisors (see below), whose sum is σ = 1403136. Its totient is φ = 1396720.

The previous prime is 1399919. The next prime is 1399943. The reversal of 1399927 is 7299931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7299931 = 61 ⋅119671.

It is a cyclic number.

It is not a de Polignac number, because 1399927 - 2³ = 1399919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1399927.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823 + ... + 1864.

It is an arithmetic number, because the mean of its divisors is an integer number (350784).

2^1399927 is an apocalyptic number.

1399927 is a deficient number, since it is larger than the sum of its proper divisors (3209).

1399927 is an equidigital number, since it uses as much as digits as its factorization.

1399927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208.

The product of its digits is 30618, while the sum is 40.

The square root of 1399927 is about 1183.1851080875. The cubic root of 1399927 is about 111.8669497864.

The spelling of 1399927 in words is "one million, three hundred ninety-nine thousand, nine hundred twenty-seven".