6786402 has 48 divisors (see below), whose sum is σ = 16202592. Its totient is φ = 1888320.

The previous prime is 6786391. The next prime is 6786407. The reversal of 6786402 is 2046876.

6786402 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

6786402 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (6786407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11773 + ... + 12335.

It is an arithmetic number, because the mean of its divisors is an integer number (337554).

Almost surely, 2^6786402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6786402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8101296).

6786402 is an abundant number, since it is smaller than the sum of its proper divisors (9416190).

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

6786402 is a wasteful number, since it uses less digits than its factorization.

6786402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 6786402 is about 2605.0723598395. The cubic root of 6786402 is about 189.3272793089.

The spelling of 6786402 in words is "six million, seven hundred eighty-six thousand, four hundred two".