2239756 has 6 divisors (see below), whose sum is σ = 3919580. Its totient is φ = 1119876.

The previous prime is 2239753. The next prime is 2239759. The reversal of 2239756 is 6579322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2239753) and next prime (2239759).

It is an Ulam number.

It is a d-powerful number, because it can be written as 2 + 2 + 3⁸ + 9² + 7² + 5⁹ + 6⁷ .

It is not an unprimeable number, because it can be changed into a prime (2239751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279966 + ... + 279973.

2^2239756 is an apocalyptic number.

It is an amenable number.

2239756 is a deficient number, since it is larger than the sum of its proper divisors (1679824).

2239756 is a wasteful number, since it uses less digits than its factorization.

2239756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559943 (or 559941 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 2239756 is about 1496.5814378109. The cubic root of 2239756 is about 130.8379014006.

The spelling of 2239756 in words is "two million, two hundred thirty-nine thousand, seven hundred fifty-six".