3850641 has 6 divisors (see below), whose sum is σ = 5562050. Its totient is φ = 2567088.

The previous prime is 3850633. The next prime is 3850657. The reversal of 3850641 is 1460583.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 129600 = 1929^2 + 360^2 .

It is not a de Polignac number, because 3850641 - 2³ = 3850633 is a prime.

It is a super-2 number, since 2×3850641² = 29654872221762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3850621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213916 + ... + 213933.

Almost surely, 2^3850641 is an apocalyptic number.

It is an amenable number.

3850641 is a deficient number, since it is larger than the sum of its proper divisors (1711409).

3850641 is a wasteful number, since it uses less digits than its factorization.

3850641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427855 (or 427852 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3850641 is about 1962.3050221614. The cubic root of 3850641 is about 156.7392184460.

The spelling of 3850641 in words is "three million, eight hundred fifty thousand, six hundred forty-one".