3873634 has 4 divisors (see below), whose sum is σ = 5810454. Its totient is φ = 1936816.

The previous prime is 3873631. The next prime is 3873647. The reversal of 3873634 is 4363783.

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., 2059225 + 1814409 = 1435^2 + 1347^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3873634.

It is not an unprimeable number, because it can be changed into a prime (3873631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 968407 + ... + 968410.

Almost surely, 2^3873634 is an apocalyptic number.

3873634 is a deficient number, since it is larger than the sum of its proper divisors (1936820).

3873634 is a wasteful number, since it uses less digits than its factorization.

3873634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936819.

The product of its digits is 36288, while the sum is 34.

The square root of 3873634 is about 1968.1549735730. The cubic root of 3873634 is about 157.0505739946.

The spelling of 3873634 in words is "three million, eight hundred seventy-three thousand, six hundred thirty-four".