2949456 has 40 divisors (see below), whose sum is σ = 7802080. Its totient is φ = 959616.

The previous prime is 2949421. The next prime is 2949461. The reversal of 2949456 is 6549492.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (195052).

2^2949456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2949456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3901040).

2949456 is an abundant number, since it is smaller than the sum of its proper divisors (4852624).

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

2949456 is a wasteful number, since it uses less digits than its factorization.

2949456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483 (or 1477 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 2949456 is about 1717.3980319076. The cubic root of 2949456 is about 143.4103978346.

The spelling of 2949456 in words is "two million, nine hundred forty-nine thousand, four hundred fifty-six".