2104407 has 16 divisors (see below), whose sum is σ = 3195360. Its totient is φ = 1368000.

The previous prime is 2104397. The next prime is 2104423. The reversal of 2104407 is 7044012.

It is a happy number.

It is not a de Polignac number, because 2104407 - 2⁴ = 2104391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2104407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157 + ... + 2057.

It is an arithmetic number, because the mean of its divisors is an integer number (199710).

2^2104407 is an apocalyptic number.

2104407 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2104407 is a deficient number, since it is larger than the sum of its proper divisors (1090953).

2104407 is a wasteful number, since it uses less digits than its factorization.

2104407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1951 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 2104407 is about 1450.6574371643. The cubic root of 2104407 is about 128.1474334703.

Adding to 2104407 its reverse (7044012), we get a palindrome (9148419).

The spelling of 2104407 in words is "two million, one hundred four thousand, four hundred seven".