3954569 has 8 divisors (see below), whose sum is σ = 4051080. Its totient is φ = 3859200.

The previous prime is 3954563. The next prime is 3954571. The reversal of 3954569 is 9654593.

It can be written as a sum of positive squares in 4 ways, for example, as 6400 + 3948169 = 80^2 + 1987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3954569 is a prime.

It is a super-2 number, since 2×3954569² = 31277231951522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3954563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14567 + ... + 14835.

It is an arithmetic number, because the mean of its divisors is an integer number (506385).

Almost surely, 2^3954569 is an apocalyptic number.

It is an amenable number.

3954569 is a deficient number, since it is larger than the sum of its proper divisors (96511).

3954569 is a wasteful number, since it uses less digits than its factorization.

3954569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571.

The product of its digits is 145800, while the sum is 41.

The square root of 3954569 is about 1988.6098159267. The cubic root of 3954569 is about 158.1368386726.

The spelling of 3954569 in words is "three million, nine hundred fifty-four thousand, five hundred sixty-nine".