3955549 has 8 divisors (see below), whose sum is σ = 4340952. Its totient is φ = 3581760.

The previous prime is 3955529. The next prime is 3955561. The reversal of 3955549 is 9455593.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 372100 + 3583449 = 610^2 + 1893^2 .

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

It is not a de Polignac number, because 3955549 - 2⁷ = 3955421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955529) 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, 2182 + ... + 3559.

It is an arithmetic number, because the mean of its divisors is an integer number (542619).

Almost surely, 2^3955549 is an apocalyptic number.

It is an amenable number.

3955549 is a deficient number, since it is larger than the sum of its proper divisors (385403).

3955549 is a wasteful number, since it uses less digits than its factorization.

3955549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807.

The product of its digits is 121500, while the sum is 40.

The square root of 3955549 is about 1988.8562039524. The cubic root of 3955549 is about 158.1499004671.

The spelling of 3955549 in words is "three million, nine hundred fifty-five thousand, five hundred forty-nine".