3822641 has 4 divisors (see below), whose sum is σ = 3945984. Its totient is φ = 3699300.

The previous prime is 3822631. The next prime is 3822649. The reversal of 3822641 is 1462283.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1462283 = 277 ⋅5279.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3822641 is a prime.

It is a super-2 number, since 2×3822641² = 29225168429762, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3822641.

It is not an unprimeable number, because it can be changed into a prime (3822649) 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, 61625 + ... + 61686.

It is an arithmetic number, because the mean of its divisors is an integer number (986496).

Almost surely, 2^3822641 is an apocalyptic number.

3822641 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3822641 is a deficient number, since it is larger than the sum of its proper divisors (123343).

3822641 is a wasteful number, since it uses less digits than its factorization.

3822641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123342.

The product of its digits is 2304, while the sum is 26.

The square root of 3822641 is about 1955.1575384096. The cubic root of 3822641 is about 156.3583832556.

The spelling of 3822641 in words is "three million, eight hundred twenty-two thousand, six hundred forty-one".