6885949428 has 96 divisors (see below), whose sum is σ = 18519984000. Its totient is φ = 2209939200.

The previous prime is 6885949409. The next prime is 6885949453. The reversal of 6885949428 is 8249495886.

6885949428 is a `hidden beast` number, since 68 + 85 + 9 + 494 + 2 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1184128 + ... + 1189928.

It is an arithmetic number, because the mean of its divisors is an integer number (192916500).

Almost surely, 2^6885949428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6885949428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9259992000).

6885949428 is an abundant number, since it is smaller than the sum of its proper divisors (11634034572).

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

6885949428 is a wasteful number, since it uses less digits than its factorization.

6885949428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222 (or 6214 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 6885949428 is about 82981.6210253813. The cubic root of 6885949428 is about 1902.4851532344.

The spelling of 6885949428 in words is "six billion, eight hundred eighty-five million, nine hundred forty-nine thousand, four hundred twenty-eight".