3623634 has 24 divisors (see below), whose sum is σ = 8973120. Its totient is φ = 1035288.

The previous prime is 3623597. The next prime is 3623639. The reversal of 3623634 is 4363263.

3623634 = 127² + 128² + ... + 234².

3623634 is a `hidden beast` number, since 3 + 6 + 23 + 634 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3623598 and 3623607.

It is not an unprimeable number, because it can be changed into a prime (3623639) 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, 14254 + ... + 14505.

It is an arithmetic number, because the mean of its divisors is an integer number (373880).

Almost surely, 2^3623634 is an apocalyptic number.

3623634 is an abundant number, since it is smaller than the sum of its proper divisors (5349486).

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

3623634 is a wasteful number, since it uses less digits than its factorization.

3623634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28774 (or 28771 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

The square root of 3623634 is about 1903.5845134903. The cubic root of 3623634 is about 153.5965432979.

Adding to 3623634 its reverse (4363263), we get a palindrome (7986897).

The spelling of 3623634 in words is "three million, six hundred twenty-three thousand, six hundred thirty-four".