3955505 has 8 divisors (see below), whose sum is σ = 4812072. Its totient is φ = 3120768.

The previous prime is 3955499. The next prime is 3955529. The reversal of 3955505 is 5055593.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 160801 + 3794704 = 401^2 + 1948^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3955505 - 2¹⁰ = 3954481 is a prime.

It is an Ulam number.

It is a Duffinian 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, 5054 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (601509).

Almost surely, 2^3955505 is an apocalyptic number.

It is an amenable number.

3955505 is a deficient number, since it is larger than the sum of its proper divisors (856567).

3955505 is a wasteful number, since it uses less digits than its factorization.

3955505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10915.

The product of its (nonzero) digits is 16875, while the sum is 32.

The square root of 3955505 is about 1988.8451422874. The cubic root of 3955505 is about 158.1493140654.

The spelling of 3955505 in words is "three million, nine hundred fifty-five thousand, five hundred five".