1492791 has 4 divisors (see below), whose sum is σ = 1990392. Its totient is φ = 995192.

The previous prime is 1492789. The next prime is 1492793. The reversal of 1492791 is 1972941.

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

It is an interprime number because it is at equal distance from previous prime (1492789) and next prime (1492793).

It is a cyclic number.

It is not a de Polignac number, because 1492791 - 2¹ = 1492789 is a prime.

It is a D-number.

1492791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1492793) 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, 248796 + ... + 248801.

It is an arithmetic number, because the mean of its divisors is an integer number (497598).

2^1492791 is an apocalyptic number.

1492791 is a deficient number, since it is larger than the sum of its proper divisors (497601).

1492791 is an equidigital number, since it uses as much as digits as its factorization.

1492791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497600.

The product of its digits is 4536, while the sum is 33.

The square root of 1492791 is about 1221.7982648539. The cubic root of 1492791 is about 114.2877464668.

The spelling of 1492791 in words is "one million, four hundred ninety-two thousand, seven hundred ninety-one".