3954557 has 4 divisors (see below), whose sum is σ = 4187196. Its totient is φ = 3721920.

The previous prime is 3954547. The next prime is 3954563. The reversal of 3954557 is 7554593.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7554593 = 2179 ⋅3467.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 1413721 = 1594^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 3954557 - 2⁶ = 3954493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3954557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3954547) 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, 116294 + ... + 116327.

It is an arithmetic number, because the mean of its divisors is an integer number (1046799).

Almost surely, 2^3954557 is an apocalyptic number.

It is an amenable number.

3954557 is a deficient number, since it is larger than the sum of its proper divisors (232639).

3954557 is a wasteful number, since it uses less digits than its factorization.

3954557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232638.

The product of its digits is 94500, while the sum is 38.

The square root of 3954557 is about 1988.6067987413. The cubic root of 3954557 is about 158.1366787189.

The spelling of 3954557 in words is "three million, nine hundred fifty-four thousand, five hundred fifty-seven".