2749436 has 6 divisors (see below), whose sum is σ = 4811520. Its totient is φ = 1374716.

The previous prime is 2749391. The next prime is 2749441. The reversal of 2749436 is 6349472.

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

It is a junction number, because it is equal to n+sod(n) for n = 2749396 and 2749405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 343676 + ... + 343683.

It is an arithmetic number, because the mean of its divisors is an integer number (801920).

2^2749436 is an apocalyptic number.

It is an amenable number.

2749436 is a deficient number, since it is larger than the sum of its proper divisors (2062084).

2749436 is a wasteful number, since it uses less digits than its factorization.

2749436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687363 (or 687361 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 2749436 is about 1658.1423340594. The cubic root of 2749436 is about 140.0923879980.

The spelling of 2749436 in words is "two million, seven hundred forty-nine thousand, four hundred thirty-six".