3948205 has 16 divisors (see below), whose sum is σ = 4981680. Its totient is φ = 2999808.

The previous prime is 3948187. The next prime is 3948223. The reversal of 3948205 is 5028493.

It is an interprime number because it is at equal distance from previous prime (3948187) and next prime (3948223).

It can be written as a sum of positive squares in 8 ways, for example, as 36 + 3948169 = 6^2 + 1987^2 .

It is a cyclic number.

It is not a de Polignac number, because 3948205 - 2⁵ = 3948173 is a prime.

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, 10399 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (311355).

Almost surely, 2^3948205 is an apocalyptic number.

It is an amenable number.

3948205 is a deficient number, since it is larger than the sum of its proper divisors (1033475).

3948205 is a wasteful number, since it uses less digits than its factorization.

3948205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3948205 is about 1987.0090588621. The cubic root of 3948205 is about 158.0519644277.

The spelling of 3948205 in words is "three million, nine hundred forty-eight thousand, two hundred five".