2906556 has 24 divisors (see below), whose sum is σ = 7077504. Its totient is φ = 926640.

The previous prime is 2906549. The next prime is 2906567. The reversal of 2906556 is 6556092.

It is a super-2 number, since 2×2906556² = 16896135562272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4990 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (294896).

2^2906556 is an apocalyptic number.

It is an amenable number.

2906556 is an abundant number, since it is smaller than the sum of its proper divisors (4170948).

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

2906556 is a wasteful number, since it uses less digits than its factorization.

2906556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561 (or 10559 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 2906556 is about 1704.8624577953. The cubic root of 2906556 is about 142.7116952032.

The spelling of 2906556 in words is "two million, nine hundred six thousand, five hundred fifty-six".