1394999 has 4 divisors (see below), whose sum is σ = 1468440. Its totient is φ = 1321560.

The previous prime is 1394993. The next prime is 1395001. The reversal of 1394999 is 9994931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9994931 = 19 ⋅526049.

It is a cyclic number.

It is not a de Polignac number, because 1394999 - 2⁴ = 1394983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1394993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36692 + ... + 36729.

It is an arithmetic number, because the mean of its divisors is an integer number (367110).

2^1394999 is an apocalyptic number.

1394999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1394999 is a deficient number, since it is larger than the sum of its proper divisors (73441).

1394999 is an equidigital number, since it uses as much as digits as its factorization.

1394999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73440.

The product of its digits is 78732, while the sum is 44.

The square root of 1394999 is about 1181.1007577679. The cubic root of 1394999 is about 111.7355313944.

The spelling of 1394999 in words is "one million, three hundred ninety-four thousand, nine hundred ninety-nine".