1409761 has 4 divisors (see below), whose sum is σ = 1423552. Its totient is φ = 1395972.

The previous prime is 1409753. The next prime is 1409773. The reversal of 1409761 is 1679041.

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 a cyclic number.

It is not a de Polignac number, because 1409761 - 2³ = 1409753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1409731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6741 + ... + 6946.

It is an arithmetic number, because the mean of its divisors is an integer number (355888).

2^1409761 is an apocalyptic number.

It is an amenable number.

1409761 is a deficient number, since it is larger than the sum of its proper divisors (13791).

1409761 is a wasteful number, since it uses less digits than its factorization.

1409761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1409761 is about 1187.3335672843. Note that the first 3 decimals coincide. The cubic root of 1409761 is about 112.1282809490.

The spelling of 1409761 in words is "one million, four hundred nine thousand, seven hundred sixty-one".