3961395 has 24 divisors (see below), whose sum is σ = 7016256. Its totient is φ = 2066688.

The previous prime is 3961393. The next prime is 3961411. The reversal of 3961395 is 5931693.

3961395 is a `hidden beast` number, since 39 + 613 + 9 + 5 = 666.

It is not a de Polignac number, because 3961395 - 2¹ = 3961393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3961393) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1179 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (292344).

Almost surely, 2^3961395 is an apocalyptic number.

3961395 is a deficient number, since it is larger than the sum of its proper divisors (3054861).

3961395 is a wasteful number, since it uses less digits than its factorization.

3961395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931 (or 1928 counting only the distinct ones).

The product of its digits is 21870, while the sum is 36.

The square root of 3961395 is about 1990.3253502882. The cubic root of 3961395 is about 158.2277732835.

It can be divided in two parts, 3961 and 395, that added together give a square (4356 = 66²).

The spelling of 3961395 in words is "three million, nine hundred sixty-one thousand, three hundred ninety-five".