3069638 has 16 divisors (see below), whose sum is σ = 5409936. Its totient is φ = 1287840.

The previous prime is 3069637. The next prime is 3069643. The reversal of 3069638 is 8369603.

3069638 = 217² + 218² + ... + 268².

It is a junction number, because it is equal to n+sod(n) for n = 3069598 and 3069607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3069637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5081 + ... + 5652.

It is an arithmetic number, because the mean of its divisors is an integer number (338121).

Almost surely, 2^3069638 is an apocalyptic number.

3069638 is a deficient number, since it is larger than the sum of its proper divisors (2340298).

3069638 is a wasteful number, since it uses less digits than its factorization.

3069638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3069638 is about 1752.0382415918. The cubic root of 3069638 is about 145.3323805921.

Subtracting from 3069638 its sum of digits (35), we obtain a palindrome (3069603).

The spelling of 3069638 in words is "three million, sixty-nine thousand, six hundred thirty-eight".