3950447 has 4 divisors (see below), whose sum is σ = 3956856. Its totient is φ = 3944040.

The previous prime is 3950417. The next prime is 3950449. The reversal of 3950447 is 7440593.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3950447 - 2⁶ = 3950383 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 (3950449) 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, 2168 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (989214).

Almost surely, 2^3950447 is an apocalyptic number.

3950447 is a deficient number, since it is larger than the sum of its proper divisors (6409).

3950447 is an equidigital number, since it uses as much as digits as its factorization.

3950447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6408.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 3950447 is about 1987.5731433082. The cubic root of 3950447 is about 158.0818755267.

The spelling of 3950447 in words is "three million, nine hundred fifty thousand, four hundred forty-seven".