2641556 has 12 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 1311000.

The previous prime is 2641553. The next prime is 2641559. The reversal of 2641556 is 6551462.

It is an interprime number because it is at equal distance from previous prime (2641553) and next prime (2641559).

It is a super-2 number, since 2×2641556² = 13955636202272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2641553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1820 + ... + 2931.

It is an arithmetic number, because the mean of its divisors is an integer number (388080).

2^2641556 is an apocalyptic number.

It is an amenable number.

2641556 is a deficient number, since it is larger than the sum of its proper divisors (2015404).

2641556 is a wasteful number, since it uses less digits than its factorization.

2641556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894 (or 4892 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 2641556 is about 1625.2864362936. The cubic root of 2641556 is about 138.2356123445.

The spelling of 2641556 in words is "two million, six hundred forty-one thousand, five hundred fifty-six".