3674638 has 32 divisors (see below), whose sum is σ = 6480000. Its totient is φ = 1545120.

The previous prime is 3674623. The next prime is 3674639. The reversal of 3674638 is 8364763.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3674597 and 3674606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3674639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24588 + ... + 24736.

It is an arithmetic number, because the mean of its divisors is an integer number (202500).

Almost surely, 2^3674638 is an apocalyptic number.

3674638 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3674638 is a deficient number, since it is larger than the sum of its proper divisors (2805362).

3674638 is a wasteful number, since it uses less digits than its factorization.

3674638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its digits is 72576, while the sum is 37.

The square root of 3674638 is about 1916.9345320068. The cubic root of 3674638 is about 154.3138312628.

It can be divided in two parts, 367 and 4638, that added together give a palindrome (5005).

The spelling of 3674638 in words is "three million, six hundred seventy-four thousand, six hundred thirty-eight".