2104690 has 32 divisors (see below), whose sum is σ = 4385664. Its totient is φ = 712320.

The previous prime is 2104679. The next prime is 2104699. The reversal of 2104690 is 964012.

It is a super-2 number, since 2×2104690² = 8859439992200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2104699) 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, 7350 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (137052).

2^2104690 is an apocalyptic number.

2104690 is an abundant number, since it is smaller than the sum of its proper divisors (2280974).

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

2104690 is a wasteful number, since it uses less digits than its factorization.

2104690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2104690 is about 1450.7549758660. The cubic root of 2104690 is about 128.1531776218.

It can be divided in two parts, 210 and 4690, that added together give a square (4900 = 70²).

The spelling of 2104690 in words is "two million, one hundred four thousand, six hundred ninety".