3948455 has 16 divisors (see below), whose sum is σ = 5563200. Its totient is φ = 2633472.

The previous prime is 3948431. The next prime is 3948463. The reversal of 3948455 is 5548493.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3948455 - 2¹⁰ = 3947431 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230 + ... + 2819.

It is an arithmetic number, because the mean of its divisors is an integer number (347700).

Almost surely, 2^3948455 is an apocalyptic number.

3948455 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3948455 is a deficient number, since it is larger than the sum of its proper divisors (1614745).

3948455 is a wasteful number, since it uses less digits than its factorization.

3948455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its digits is 86400, while the sum is 38.

The square root of 3948455 is about 1987.0719664874. The cubic root of 3948455 is about 158.0553003028.

Adding to 3948455 its sum of digits (38), we get a palindrome (3948493).

The spelling of 3948455 in words is "three million, nine hundred forty-eight thousand, four hundred fifty-five".