2906456 has 64 divisors (see below), whose sum is σ = 6842880. Its totient is φ = 1128960.

The previous prime is 2906443. The next prime is 2906459. The reversal of 2906456 is 6546092.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906459) 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, 40901 + ... + 40971.

It is an arithmetic number, because the mean of its divisors is an integer number (106920).

2^2906456 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 2906456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3421440).

2906456 is an abundant number, since it is smaller than the sum of its proper divisors (3936424).

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

2906456 is a wasteful number, since it uses less digits than its factorization.

2906456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2906456 is about 1704.8331296640. The cubic root of 2906456 is about 142.7100585201.

The spelling of 2906456 in words is "two million, nine hundred six thousand, four hundred fifty-six".