2100469 has 16 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 1603584.

The previous prime is 2100463. The next prime is 2100473. The reversal of 2100469 is 9640012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100469 is a prime.

It is a super-2 number, since 2×2100469² = 8823940039922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100463) 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, 1797 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

2^2100469 is an apocalyptic number.

It is an amenable number.

2100469 is a deficient number, since it is larger than the sum of its proper divisors (577931).

2100469 is a wasteful number, since it uses less digits than its factorization.

2100469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972.

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

The square root of 2100469 is about 1449.2994859586. The cubic root of 2100469 is about 128.0674489896.

The spelling of 2100469 in words is "two million, one hundred thousand, four hundred sixty-nine".