3438636 has 12 divisors (see below), whose sum is σ = 8023512. Its totient is φ = 1146208.

The previous prime is 3438593. The next prime is 3438637. The reversal of 3438636 is 6368343.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3438597 and 3438606.

It is not an unprimeable number, because it can be changed into a prime (3438637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143265 + ... + 143288.

It is an arithmetic number, because the mean of its divisors is an integer number (668626).

Almost surely, 2^3438636 is an apocalyptic number.

It is an amenable number.

3438636 is an abundant number, since it is smaller than the sum of its proper divisors (4584876).

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

3438636 is a wasteful number, since it uses less digits than its factorization.

3438636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286560 (or 286558 counting only the distinct ones).

The product of its digits is 31104, while the sum is 33.

The square root of 3438636 is about 1854.3559528850. The cubic root of 3438636 is about 150.9368915998.

The spelling of 3438636 in words is "three million, four hundred thirty-eight thousand, six hundred thirty-six".