3676638 has 16 divisors (see below), whose sum is σ = 8403840. Its totient is φ = 1050456.

The previous prime is 3676637. The next prime is 3676639. The reversal of 3676638 is 8366763.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3676637) and next prime (3676639).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3676596 and 3676605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3676637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43728 + ... + 43811.

It is an arithmetic number, because the mean of its divisors is an integer number (525240).

Almost surely, 2^3676638 is an apocalyptic number.

3676638 is an abundant number, since it is smaller than the sum of its proper divisors (4727202).

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

3676638 is a wasteful number, since it uses less digits than its factorization.

3676638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87551.

The product of its digits is 108864, while the sum is 39.

The square root of 3676638 is about 1917.4561272686. The cubic root of 3676638 is about 154.3418223816.

The spelling of 3676638 in words is "three million, six hundred seventy-six thousand, six hundred thirty-eight".