2574406 has 8 divisors (see below), whose sum is σ = 3927240. Its totient is φ = 1265328.

The previous prime is 2574401. The next prime is 2574409. The reversal of 2574406 is 6044752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2574401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10791 + ... + 11026.

It is an arithmetic number, because the mean of its divisors is an integer number (490905).

2^2574406 is an apocalyptic number.

2574406 is a deficient number, since it is larger than the sum of its proper divisors (1352834).

2574406 is a wasteful number, since it uses less digits than its factorization.

2574406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21878.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 2574406 is about 1604.4955593581. The cubic root of 2574406 is about 137.0541991672.

The spelling of 2574406 in words is "two million, five hundred seventy-four thousand, four hundred six".