3961204 has 24 divisors (see below), whose sum is σ = 7906248. Its totient is φ = 1720320.

The previous prime is 3961193. The next prime is 3961213. The reversal of 3961204 is 4021693.

It can be written as a sum of positive squares in 4 ways, for example, as 898704 + 3062500 = 948^2 + 1750^2 .

It is a super-2 number, since 2×3961204² = 31382274259232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357 + ... + 3124.

It is an arithmetic number, because the mean of its divisors is an integer number (329427).

Almost surely, 2^3961204 is an apocalyptic number.

3961204 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3961204 is a deficient number, since it is larger than the sum of its proper divisors (3945044).

3961204 is a wasteful number, since it uses less digits than its factorization.

3961204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4515 (or 4513 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 3961204 is about 1990.2773676048. The cubic root of 3961204 is about 158.2252302407.

Adding to 3961204 its reverse (4021693), we get a palindrome (7982897).

It can be divided in two parts, 396 and 1204, that added together give a square (1600 = 40²).

The spelling of 3961204 in words is "three million, nine hundred sixty-one thousand, two hundred four".