3953634 has 32 divisors (see below), whose sum is σ = 8448000. Its totient is φ = 1229904.

The previous prime is 3953629. The next prime is 3953669. The reversal of 3953634 is 4363593.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3953595 and 3953604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8787 + ... + 9225.

It is an arithmetic number, because the mean of its divisors is an integer number (264000).

Almost surely, 2^3953634 is an apocalyptic number.

3953634 is an abundant number, since it is smaller than the sum of its proper divisors (4494366).

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

3953634 is a wasteful number, since it uses less digits than its factorization.

3953634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its digits is 29160, while the sum is 33.

The square root of 3953634 is about 1988.3747131766. The cubic root of 3953634 is about 158.1243746428.

The spelling of 3953634 in words is "three million, nine hundred fifty-three thousand, six hundred thirty-four".