4261556 has 12 divisors (see below), whose sum is σ = 8031492. Its totient is φ = 1966848.

The previous prime is 4261553. The next prime is 4261583. The reversal of 4261556 is 6551624.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 3422500 = 916^2 + 1850^2 .

It is a super-2 number, since 2×4261556² = 36321719082272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261553) 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, 40925 + ... + 41028.

It is an arithmetic number, because the mean of its divisors is an integer number (669291).

Almost surely, 2^4261556 is an apocalyptic number.

It is an amenable number.

4261556 is a deficient number, since it is larger than the sum of its proper divisors (3769936).

4261556 is a wasteful number, since it uses less digits than its factorization.

4261556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81970 (or 81968 counting only the distinct ones).

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

The square root of 4261556 is about 2064.3536518727. The cubic root of 4261556 is about 162.1272687856.

The spelling of 4261556 in words is "four million, two hundred sixty-one thousand, five hundred fifty-six".