3850447 has 4 divisors (see below), whose sum is σ = 3854520. Its totient is φ = 3846376.

The previous prime is 3850421. The next prime is 3850459. The reversal of 3850447 is 7440583.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3850447 - 2¹⁵ = 3817679 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 (3850477) 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, 204 + ... + 2782.

It is an arithmetic number, because the mean of its divisors is an integer number (963630).

Almost surely, 2^3850447 is an apocalyptic number.

3850447 is a deficient number, since it is larger than the sum of its proper divisors (4073).

3850447 is a wasteful number, since it uses less digits than its factorization.

3850447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4072.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 3850447 is about 1962.2555898761. The cubic root of 3850447 is about 156.7365861640.

The spelling of 3850447 in words is "three million, eight hundred fifty thousand, four hundred forty-seven".