1402686243 has 48 divisors (see below), whose sum is σ = 2388035520. Its totient is φ = 776625408.

The previous prime is 1402686217. The next prime is 1402686247. The reversal of 1402686243 is 3426862041.

1402686243 is a `hidden beast` number, since 1 + 4 + 0 + 26 + 8 + 624 + 3 = 666.

1402686243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1402686243 - 2⁸ = 1402685987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1402686198 and 1402686207.

It is not an unprimeable number, because it can be changed into a prime (1402686247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 625921 + ... + 628157.

It is an arithmetic number, because the mean of its divisors is an integer number (49750740).

Almost surely, 2^1402686243 is an apocalyptic number.

1402686243 is a deficient number, since it is larger than the sum of its proper divisors (985349277).

1402686243 is a wasteful number, since it uses less digits than its factorization.

1402686243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2553 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 1402686243 is about 37452.4530972272. The cubic root of 1402686243 is about 1119.4039778905.

The spelling of 1402686243 in words is "one billion, four hundred two million, six hundred eighty-six thousand, two hundred forty-three".