2104156 has 24 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 999600.

The previous prime is 2104147. The next prime is 2104159. The reversal of 2104156 is 6514012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8685 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (161280).

2^2104156 is an apocalyptic number.

It is an amenable number.

2104156 is a deficient number, since it is larger than the sum of its proper divisors (1766564).

2104156 is a wasteful number, since it uses less digits than its factorization.

2104156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2104156 is about 1450.5709220855. The cubic root of 2104156 is about 128.1423384031.

Adding to 2104156 its reverse (6514012), we get a palindrome (8618168).

The spelling of 2104156 in words is "two million, one hundred four thousand, one hundred fifty-six".