3451636 has 6 divisors (see below), whose sum is σ = 6040370. Its totient is φ = 1725816.

The previous prime is 3451631. The next prime is 3451649. The reversal of 3451636 is 6361543.

3451636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 1612900 = 1356^2 + 1270^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3451631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431451 + ... + 431458.

Almost surely, 2^3451636 is an apocalyptic number.

It is an amenable number.

3451636 is a deficient number, since it is larger than the sum of its proper divisors (2588734).

3451636 is a wasteful number, since it uses less digits than its factorization.

3451636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862913 (or 862911 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 3451636 is about 1857.8579062996. The cubic root of 3451636 is about 151.1268615039.

The spelling of 3451636 in words is "three million, four hundred fifty-one thousand, six hundred thirty-six".