3915055 has 4 divisors (see below), whose sum is σ = 4698072. Its totient is φ = 3132040.

The previous prime is 3915047. The next prime is 3915061. The reversal of 3915055 is 5505193.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3915055 - 2³ = 3915047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391501 + ... + 391510.

It is an arithmetic number, because the mean of its divisors is an integer number (1174518).

Almost surely, 2^3915055 is an apocalyptic number.

3915055 is a deficient number, since it is larger than the sum of its proper divisors (783017).

3915055 is an equidigital number, since it uses as much as digits as its factorization.

3915055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783016.

The product of its (nonzero) digits is 3375, while the sum is 28.

The square root of 3915055 is about 1978.6497921563. The cubic root of 3915055 is about 157.6083742233.

The spelling of 3915055 in words is "three million, nine hundred fifteen thousand, fifty-five".