2549478 is nontrivially palindromic in base 4.
2549478 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.
It is a sphenic number, since it is the product of 3 distinct primes.
2549478 is an admirable number.
It is an alternating number because its digits alternate between even and odd.
It is a congruent number.
22549478 is an apocalyptic number.
2549478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2549478 is a wasteful number, since it uses less digits than its factorization.
2549478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 424918.
The square root of 2549478 is about 1596.7084893618. The cubic root of 2549478 is about 136.6103978817.
The spelling of 2549478 in words is "two million, five hundred forty-nine thousand, four hundred seventy-eight".