1401797 has 4 divisors (see below), whose sum is σ = 1428300. Its totient is φ = 1375296.

The previous prime is 1401793. The next prime is 1401809. The reversal of 1401797 is 7971041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 863041 = 734^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401797 - 2² = 1401793 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 (1401791) 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, 13172 + ... + 13277.

It is an arithmetic number, because the mean of its divisors is an integer number (357075).

2^1401797 is an apocalyptic number.

It is an amenable number.

1401797 is a deficient number, since it is larger than the sum of its proper divisors (26503).

1401797 is an equidigital number, since it uses as much as digits as its factorization.

1401797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26502.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1401797 is about 1183.9750841973. The cubic root of 1401797 is about 111.9167376493.

The spelling of 1401797 in words is "one million, four hundred one thousand, seven hundred ninety-seven".