3513642 has 32 divisors (see below), whose sum is σ = 7741440. Its totient is φ = 1054320.

The previous prime is 3513637. The next prime is 3513649. The reversal of 3513642 is 2463153.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3513649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8983 + ... + 9365.

It is an arithmetic number, because the mean of its divisors is an integer number (241920).

Almost surely, 2^3513642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3513642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3870720).

3513642 is an abundant number, since it is smaller than the sum of its proper divisors (4227798).

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

3513642 is a wasteful number, since it uses less digits than its factorization.

3513642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 2160, while the sum is 24.

The square root of 3513642 is about 1874.4711254111. The cubic root of 3513642 is about 152.0264554598.

Adding to 3513642 its reverse (2463153), we get a palindrome (5976795).

It can be divided in two parts, 351 and 3642, that added together give a palindrome (3993).

The spelling of 3513642 in words is "three million, five hundred thirteen thousand, six hundred forty-two".