3949055 has 16 divisors (see below), whose sum is σ = 5443200. Its totient is φ = 2720160.

The previous prime is 3949051. The next prime is 3949061. The reversal of 3949055 is 5509493.

It is not a de Polignac number, because 3949055 - 2² = 3949051 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845 + ... + 2934.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^3949055 is an apocalyptic number.

3949055 is a deficient number, since it is larger than the sum of its proper divisors (1494145).

3949055 is a wasteful number, since it uses less digits than its factorization.

3949055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 3949055 is about 1987.2229366631. Note that the first 3 decimals coincide. The cubic root of 3949055 is about 158.0633058288.

It can be divided in two parts, 394 and 9055, that added together give a palindrome (9449).

The spelling of 3949055 in words is "three million, nine hundred forty-nine thousand, fifty-five".