6769638 has 24 divisors (see below), whose sum is σ = 15531048. Its totient is φ = 2123712.

The previous prime is 6769591. The next prime is 6769639. The reversal of 6769638 is 8369676.

6769638 is a `hidden beast` number, since 6 + 7 + 6 + 9 + 638 = 666.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6769593 and 6769602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6769639) 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, 10756 + ... + 11367.

It is an arithmetic number, because the mean of its divisors is an integer number (647127).

Almost surely, 2^6769638 is an apocalyptic number.

6769638 is an abundant number, since it is smaller than the sum of its proper divisors (8761410).

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

6769638 is a wasteful number, since it uses less digits than its factorization.

6769638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22148 (or 22145 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 6769638 is about 2601.8528013706. The cubic root of 6769638 is about 189.1712565489.

The spelling of 6769638 in words is "six million, seven hundred sixty-nine thousand, six hundred thirty-eight".