2104536 has 32 divisors (see below), whose sum is σ = 6013440. Its totient is φ = 601248.

The previous prime is 2104507. The next prime is 2104541. The reversal of 2104536 is 6354012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096 + ... + 6431.

It is an arithmetic number, because the mean of its divisors is an integer number (187920).

2^2104536 is an apocalyptic number.

It is an amenable number.

2104536 is an abundant number, since it is smaller than the sum of its proper divisors (3908904).

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

2104536 is a wasteful number, since it uses less digits than its factorization.

2104536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12543 (or 12539 counting only the distinct ones).

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

The square root of 2104536 is about 1450.7018990820. The cubic root of 2104536 is about 128.1500518930.

Adding to 2104536 its reverse (6354012), we get a palindrome (8458548).

The spelling of 2104536 in words is "two million, one hundred four thousand, five hundred thirty-six".