2102736 has 40 divisors (see below), whose sum is σ = 5517504. Its totient is φ = 689920.

The previous prime is 2102717. The next prime is 2102741. The reversal of 2102736 is 6372012.

It is a happy number.

It is a super-3 number, since 3×2102736³ = 27891733381096992768, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3100 + ... + 3716.

2^2102736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2758752).

2102736 is an abundant number, since it is smaller than the sum of its proper divisors (3414768).

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

2102736 is a wasteful number, since it uses less digits than its factorization.

2102736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2102736 is about 1450.0813770268. The cubic root of 2102736 is about 128.1135060877.

Adding to 2102736 its reverse (6372012), we get a palindrome (8474748).

The spelling of 2102736 in words is "two million, one hundred two thousand, seven hundred thirty-six".