1402263 has 12 divisors (see below), whose sum is σ = 2080728. Its totient is φ = 909360.

The previous prime is 1402249. The next prime is 1402267. The reversal of 1402263 is 3622041.

It is a happy number.

1402263 is a `hidden beast` number, since 1 + 402 + 263 = 666.

It is not a de Polignac number, because 1402263 - 2⁵ = 1402231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402267) 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, 1773 + ... + 2438.

It is an arithmetic number, because the mean of its divisors is an integer number (173394).

2^1402263 is an apocalyptic number.

1402263 is a deficient number, since it is larger than the sum of its proper divisors (678465).

1402263 is a wasteful number, since it uses less digits than its factorization.

1402263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254 (or 4251 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1402263 is about 1184.1718625267. The cubic root of 1402263 is about 111.9291377856.

Subtracting from 1402263 its product of nonzero digits (288), we obtain a triangular number (1401975 = T₁₆₇₄).

The spelling of 1402263 in words is "one million, four hundred two thousand, two hundred sixty-three".