3934447 has 4 divisors (see below), whose sum is σ = 4292136. Its totient is φ = 3576760.

The previous prime is 3934433. The next prime is 3934451. The reversal of 3934447 is 7444393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7444393 = 11 ⋅676763.

It is not a de Polignac number, because 3934447 - 2¹¹ = 3932399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934477) 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, 178828 + ... + 178849.

It is an arithmetic number, because the mean of its divisors is an integer number (1073034).

Almost surely, 2^3934447 is an apocalyptic number.

3934447 is a deficient number, since it is larger than the sum of its proper divisors (357689).

3934447 is a wasteful number, since it uses less digits than its factorization.

3934447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357688.

The product of its digits is 36288, while the sum is 34.

The square root of 3934447 is about 1983.5440504309. The cubic root of 3934447 is about 157.8681670165.

The spelling of 3934447 in words is "three million, nine hundred thirty-four thousand, four hundred forty-seven".