3556634 has 4 divisors (see below), whose sum is σ = 5334954. Its totient is φ = 1778316.

The previous prime is 3556607. The next prime is 3556649. The reversal of 3556634 is 4366553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4366553 = 463 ⋅9431.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 717409 = 1685^2 + 847^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3556634.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 889157 + ... + 889160.

Almost surely, 2^3556634 is an apocalyptic number.

3556634 is a deficient number, since it is larger than the sum of its proper divisors (1778320).

3556634 is a wasteful number, since it uses less digits than its factorization.

3556634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778319.

The product of its digits is 32400, while the sum is 32.

The square root of 3556634 is about 1885.9040272506. The cubic root of 3556634 is about 152.6439954978.

The spelling of 3556634 in words is "three million, five hundred fifty-six thousand, six hundred thirty-four".