1408761 has 12 divisors (see below), whose sum is σ = 2049892. Its totient is φ = 932256.

The previous prime is 1408741. The next prime is 1408763. The reversal of 1408761 is 1678041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 837225 + 571536 = 915^2 + 756^2 .

It is not a de Polignac number, because 1408761 - 2⁶ = 1408697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915 + ... + 1911.

2^1408761 is an apocalyptic number.

It is an amenable number.

1408761 is a deficient number, since it is larger than the sum of its proper divisors (641131).

1408761 is a wasteful number, since it uses less digits than its factorization.

1408761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1408761 is about 1186.9123809279. The cubic root of 1408761 is about 112.1017623160.

The spelling of 1408761 in words is "one million, four hundred eight thousand, seven hundred sixty-one".