4401634 has 4 divisors (see below), whose sum is σ = 6602454. Its totient is φ = 2200816.

The previous prime is 4401601. The next prime is 4401641. The reversal of 4401634 is 4361044.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4397409 + 4225 = 2097^2 + 65^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100407 + ... + 1100410.

Almost surely, 2^4401634 is an apocalyptic number.

4401634 is a deficient number, since it is larger than the sum of its proper divisors (2200820).

4401634 is a wasteful number, since it uses less digits than its factorization.

4401634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200819.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 4401634 is about 2098.0071496542. The cubic root of 4401634 is about 163.8845360181.

Adding to 4401634 its reverse (4361044), we get a palindrome (8762678).

The spelling of 4401634 in words is "four million, four hundred one thousand, six hundred thirty-four".