1406263 has 8 divisors (see below), whose sum is σ = 1447040. Its totient is φ = 1366200.

The previous prime is 1406231. The next prime is 1406267. The reversal of 1406263 is 3626041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1406263 - 2⁵ = 1406231 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 (1406267) 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 7 ways as a sum of consecutive naturals, for example, 9238 + ... + 9388.

It is an arithmetic number, because the mean of its divisors is an integer number (180880).

2^1406263 is an apocalyptic number.

1406263 is a deficient number, since it is larger than the sum of its proper divisors (40777).

1406263 is a wasteful number, since it uses less digits than its factorization.

1406263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1406263 is about 1185.8596038318. The cubic root of 1406263 is about 112.0354638970.

The spelling of 1406263 in words is "one million, four hundred six thousand, two hundred sixty-three".