2546406 has 24 divisors (see below), whose sum is σ = 5549544. Its totient is φ = 843840.

The previous prime is 2546393. The next prime is 2546429. The reversal of 2546406 is 6046452.

It is a happy number.

2546406 is a `hidden beast` number, since 254 + 6 + 406 = 666.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 2546406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4045 + ... + 4631.

It is an arithmetic number, because the mean of its divisors is an integer number (231231).

2^2546406 is an apocalyptic number.

2546406 is an abundant number, since it is smaller than the sum of its proper divisors (3003138).

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

2546406 is a wasteful number, since it uses less digits than its factorization.

2546406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2546406 is about 1595.7462204248. The cubic root of 2546406 is about 136.5555061464. Note that the first 4 decimals are identical.

The spelling of 2546406 in words is "two million, five hundred forty-six thousand, four hundred six".