4023634 has 16 divisors (see below), whose sum is σ = 6295320. Its totient is φ = 1926400.

The previous prime is 4023631. The next prime is 4023653. The reversal of 4023634 is 4363204.

It can be written as a sum of positive squares in 4 ways, for example, as 3861225 + 162409 = 1965^2 + 403^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023631) 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, 9834 + ... + 10234.

Almost surely, 2^4023634 is an apocalyptic number.

4023634 is a deficient number, since it is larger than the sum of its proper divisors (2271686).

4023634 is a wasteful number, since it uses less digits than its factorization.

4023634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4023634 is about 2005.8997980956. The cubic root of 4023634 is about 159.0521301055.

Adding to 4023634 its reverse (4363204), we get a palindrome (8386838).

The spelling of 4023634 in words is "four million, twenty-three thousand, six hundred thirty-four".