1403361 has 12 divisors (see below), whose sum is σ = 2039440. Its totient is φ = 929880.

The previous prime is 1403357. The next prime is 1403371. The reversal of 1403361 is 1633041.

It is not a de Polignac number, because 1403361 - 2² = 1403357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403351) 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 11 ways as a sum of consecutive naturals, for example, 1530 + ... + 2268.

2^1403361 is an apocalyptic number.

It is an amenable number.

1403361 is a deficient number, since it is larger than the sum of its proper divisors (636079).

1403361 is a wasteful number, since it uses less digits than its factorization.

1403361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1403361 is about 1184.6353869440. The cubic root of 1403361 is about 111.9583444156.

It can be divided in two parts, 1403 and 361, that added together give a square (1764 = 42²).

The spelling of 1403361 in words is "one million, four hundred three thousand, three hundred sixty-one".