2043156 has 12 divisors (see below), whose sum is σ = 4767392. Its totient is φ = 681048.

The previous prime is 2043149. The next prime is 2043163. The reversal of 2043156 is 6513402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2043149) and next prime (2043163).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85120 + ... + 85143.

2^2043156 is an apocalyptic number.

It is an amenable number.

2043156 is an abundant number, since it is smaller than the sum of its proper divisors (2724236).

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

2043156 is a wasteful number, since it uses less digits than its factorization.

2043156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170270 (or 170268 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2043156 is about 1429.3900797193. The cubic root of 2043156 is about 126.8918831020.

Adding to 2043156 its reverse (6513402), we get a palindrome (8556558).

The spelling of 2043156 in words is "two million, forty-three thousand, one hundred fifty-six".