2685423 has 16 divisors (see below), whose sum is σ = 3962336. Its totient is φ = 1607040.

The previous prime is 2685409. The next prime is 2685461. The reversal of 2685423 is 3245862.

It is not a de Polignac number, because 2685423 - 2⁴ = 2685407 is a prime.

It is a super-2 number, since 2×2685423² = 14422993377858, 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 (2685323) 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, 513 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (247646).

2^2685423 is an apocalyptic number.

2685423 is a deficient number, since it is larger than the sum of its proper divisors (1276913).

2685423 is a wasteful number, since it uses less digits than its factorization.

2685423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914.

The product of its digits is 11520, while the sum is 30.

The square root of 2685423 is about 1638.7260295730. The cubic root of 2685423 is about 138.9966184502.

The spelling of 2685423 in words is "two million, six hundred eighty-five thousand, four hundred twenty-three".