2261436 has 24 divisors (see below), whose sum is σ = 5308800. Its totient is φ = 749232.

The previous prime is 2261407. The next prime is 2261447. The reversal of 2261436 is 6341622.

It is a super-2 number, since 2×2261436² = 10228185564192, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (221200).

2^2261436 is an apocalyptic number.

It is an amenable number.

2261436 is an abundant number, since it is smaller than the sum of its proper divisors (3047364).

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

2261436 is a wasteful number, since it uses less digits than its factorization.

2261436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153 (or 1151 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2261436 is about 1503.8071684894. The cubic root of 2261436 is about 131.2587005570.

The spelling of 2261436 in words is "two million, two hundred sixty-one thousand, four hundred thirty-six".