3954555 has 32 divisors (see below), whose sum is σ = 7672320. Its totient is φ = 1916640.

The previous prime is 3954547. The next prime is 3954563. The reversal of 3954555 is 5554593.

It is an interprime number because it is at equal distance from previous prime (3954547) and next prime (3954563).

It is not a de Polignac number, because 3954555 - 2³ = 3954547 is a prime.

3954555 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154 + ... + 2816.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

Almost surely, 2^3954555 is an apocalyptic number.

3954555 is a deficient number, since it is larger than the sum of its proper divisors (3717765).

3954555 is a wasteful number, since it uses less digits than its factorization.

3954555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688 (or 2682 counting only the distinct ones).

The product of its digits is 67500, while the sum is 36.

The square root of 3954555 is about 1988.6062958766. The cubic root of 3954555 is about 158.1366520600.

It can be divided in two parts, 395 and 4555, that added together give a triangular number (4950 = T₉₉).

The spelling of 3954555 in words is "three million, nine hundred fifty-four thousand, five hundred fifty-five".