1406797 has 4 divisors (see below), whose sum is σ = 1607776. Its totient is φ = 1205820.

The previous prime is 1406789. The next prime is 1406803. The reversal of 1406797 is 7976041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1406797 - 2³ = 1406789 is a prime.

It is a Duffinian number.

1406797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406707) 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, 100479 + ... + 100492.

It is an arithmetic number, because the mean of its divisors is an integer number (401944).

2^1406797 is an apocalyptic number.

It is an amenable number.

1406797 is a deficient number, since it is larger than the sum of its proper divisors (200979).

1406797 is an equidigital number, since it uses as much as digits as its factorization.

1406797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200978.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 1406797 is about 1186.0847355902. The cubic root of 1406797 is about 112.0496431714.

The spelling of 1406797 in words is "one million, four hundred six thousand, seven hundred ninety-seven".