1481791 has 8 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 1392408.

The previous prime is 1481783. The next prime is 1481797. The reversal of 1481791 is 1971841.

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

It is a cyclic number.

It is not a de Polignac number, because 1481791 - 2³ = 1481783 is a prime.

It is a Duffinian number.

1481791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481797) 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 7 ways as a sum of consecutive naturals, for example, 2940 + ... + 3406.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^1481791 is an apocalyptic number.

1481791 is a deficient number, since it is larger than the sum of its proper divisors (90689).

1481791 is a wasteful number, since it uses less digits than its factorization.

1481791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its digits is 2016, while the sum is 31.

The square root of 1481791 is about 1217.2883799659. The cubic root of 1481791 is about 114.0063349306.

The spelling of 1481791 in words is "one million, four hundred eighty-one thousand, seven hundred ninety-one".