1402872636 has 48 divisors (see below), whose sum is σ = 3686151168. Its totient is φ = 411398400.

The previous prime is 1402872629. The next prime is 1402872637. The reversal of 1402872636 is 6362782041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1402872594 and 1402872603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402872637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167325 + ... + 175508.

It is an arithmetic number, because the mean of its divisors is an integer number (76794816).

Almost surely, 2^1402872636 is an apocalyptic number.

It is an amenable number.

1402872636 is an abundant number, since it is smaller than the sum of its proper divisors (2283278532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1402872636 is a wasteful number, since it uses less digits than its factorization.

1402872636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342882 (or 342880 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1402872636 is about 37454.9414096458. The cubic root of 1402872636 is about 1119.4535589058.

The spelling of 1402872636 in words is "one billion, four hundred two million, eight hundred seventy-two thousand, six hundred thirty-six".