1481399 has 4 divisors (see below), whose sum is σ = 1490136. Its totient is φ = 1472664.

The previous prime is 1481387. The next prime is 1481413. The reversal of 1481399 is 9931841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1481399 - 2⁸ = 1481143 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 (1481309) 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, 4109 + ... + 4454.

It is an arithmetic number, because the mean of its divisors is an integer number (372534).

2^1481399 is an apocalyptic number.

1481399 is a deficient number, since it is larger than the sum of its proper divisors (8737).

1481399 is an equidigital number, since it uses as much as digits as its factorization.

1481399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8736.

The product of its digits is 7776, while the sum is 35.

The square root of 1481399 is about 1217.1273557028. The cubic root of 1481399 is about 113.9962807856.

The spelling of 1481399 in words is "one million, four hundred eighty-one thousand, three hundred ninety-nine".