2101436 has 6 divisors (see below), whose sum is σ = 3677520. Its totient is φ = 1050716.

The previous prime is 2101433. The next prime is 2101439. The reversal of 2101436 is 6341012.

It is an interprime number because it is at equal distance from previous prime (2101433) and next prime (2101439).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101433) by changing a digit.

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 as a sum of consecutive naturals, namely, 262676 + ... + 262683.

It is an arithmetic number, because the mean of its divisors is an integer number (612920).

2^2101436 is an apocalyptic number.

It is an amenable number.

2101436 is a deficient number, since it is larger than the sum of its proper divisors (1576084).

2101436 is a wasteful number, since it uses less digits than its factorization.

2101436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525363 (or 525361 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2101436 is about 1449.6330570182. The cubic root of 2101436 is about 128.0870989223.

Adding to 2101436 its reverse (6341012), we get a palindrome (8442448).

The spelling of 2101436 in words is "two million, one hundred one thousand, four hundred thirty-six".