3954556 has 24 divisors (see below), whose sum is σ = 7272720. Its totient is φ = 1878912.

The previous prime is 3954547. The next prime is 3954563. The reversal of 3954556 is 6554593.

It is a super-3 number, since 3×3954556³ (a number of 21 digits) contains 333 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, 8235 + ... + 8701.

It is an arithmetic number, because the mean of its divisors is an integer number (303030).

Almost surely, 2^3954556 is an apocalyptic number.

It is an amenable number.

3954556 is a deficient number, since it is larger than the sum of its proper divisors (3318164).

3954556 is a wasteful number, since it uses less digits than its factorization.

3954556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 571 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The square root of 3954556 is about 1988.6065473089. The cubic root of 3954556 is about 158.1366653894.

Adding to 3954556 its sum of digits (37), we get a palindrome (3954593).

It can be divided in two parts, 39545 and 56, that added together give a square (39601 = 199²).

The spelling of 3954556 in words is "three million, nine hundred fifty-four thousand, five hundred fifty-six".