3968229 has 4 divisors (see below), whose sum is σ = 5290976. Its totient is φ = 2645484.

The previous prime is 3968227. The next prime is 3968231. The reversal of 3968229 is 9228693.

3968229 = 461² + 462² + ... + 478².

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9228693 = 3 ⋅3076231.

It is an interprime number because it is at equal distance from previous prime (3968227) and next prime (3968231).

It is not a de Polignac number, because 3968229 - 2¹ = 3968227 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 9⁶ + 6⁸ + 8 + 2¹⁹ + 2¹⁹ + 9⁶ .

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661369 + ... + 661374.

It is an arithmetic number, because the mean of its divisors is an integer number (1322744).

Almost surely, 2^3968229 is an apocalyptic number.

It is an amenable number.

3968229 is a deficient number, since it is larger than the sum of its proper divisors (1322747).

3968229 is a wasteful number, since it uses less digits than its factorization.

3968229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322746.

The product of its digits is 46656, while the sum is 39.

The square root of 3968229 is about 1992.0414152321. The cubic root of 3968229 is about 158.3187098837.

The spelling of 3968229 in words is "three million, nine hundred sixty-eight thousand, two hundred twenty-nine".