2761236 has 48 divisors (see below), whose sum is σ = 7362880. Its totient is φ = 894240.

The previous prime is 2761229. The next prime is 2761267. The reversal of 2761236 is 6321672.

It is a happy number.

It is a super-3 number, since 3×2761236³ = 63158504136033336768, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

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 15 ways as a sum of consecutive naturals, for example, 3651 + ... + 4341.

2^2761236 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 2761236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3681440).

2761236 is an abundant number, since it is smaller than the sum of its proper divisors (4601644).

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

2761236 is a wasteful number, since it uses less digits than its factorization.

2761236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 733 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 2761236 is about 1661.6967232320. The cubic root of 2761236 is about 140.2925176363.

The spelling of 2761236 in words is "two million, seven hundred sixty-one thousand, two hundred thirty-six".