3850404 has 12 divisors (see below), whose sum is σ = 8984304. Its totient is φ = 1283464.

The previous prime is 3850403. The next prime is 3850421. The reversal of 3850404 is 4040583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3850404² = 29651221926432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3850403) 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, 160422 + ... + 160445.

It is an arithmetic number, because the mean of its divisors is an integer number (748692).

Almost surely, 2^3850404 is an apocalyptic number.

It is an amenable number.

3850404 is an abundant number, since it is smaller than the sum of its proper divisors (5133900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3850404 is a wasteful number, since it uses less digits than its factorization.

3850404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320874 (or 320872 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3850404 is about 1962.2446330669. The cubic root of 3850404 is about 156.7360027081.

Adding to 3850404 its reverse (4040583), we get a palindrome (7890987).

The spelling of 3850404 in words is "three million, eight hundred fifty thousand, four hundred four".