3924447 has 8 divisors (see below), whose sum is σ = 5245440. Its totient is φ = 2609880.

The previous prime is 3924443. The next prime is 3924449. The reversal of 3924447 is 7444293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3924447 - 2² = 3924443 is a prime.

3924447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (655680).

Almost surely, 2^3924447 is an apocalyptic number.

3924447 is a deficient number, since it is larger than the sum of its proper divisors (1320993).

3924447 is a wasteful number, since it uses less digits than its factorization.

3924447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213.

The product of its digits is 24192, while the sum is 33.

The square root of 3924447 is about 1981.0217060901. The cubic root of 3924447 is about 157.7343048288.

It can be divided in two parts, 3924 and 447, that added together give a triangular number (4371 = T₉₃).

The spelling of 3924447 in words is "three million, nine hundred twenty-four thousand, four hundred forty-seven".