3331641 has 4 divisors (see below), whose sum is σ = 4442192. Its totient is φ = 2221092.

The previous prime is 3331639. The next prime is 3331649. The reversal of 3331641 is 1461333.

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: 1461333 = 3 ⋅487111.

It is not a de Polignac number, because 3331641 - 2¹ = 3331639 is a prime.

It is a super-2 number, since 2×3331641² = 22199663505762, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3331649) 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, 555271 + ... + 555276.

It is an arithmetic number, because the mean of its divisors is an integer number (1110548).

Almost surely, 2^3331641 is an apocalyptic number.

It is an amenable number.

3331641 is a deficient number, since it is larger than the sum of its proper divisors (1110551).

3331641 is a wasteful number, since it uses less digits than its factorization.

3331641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110550.

The product of its digits is 648, while the sum is 21.

The square root of 3331641 is about 1825.2783349396. The cubic root of 3331641 is about 149.3548738370.

Adding to 3331641 its reverse (1461333), we get a palindrome (4792974).

The spelling of 3331641 in words is "three million, three hundred thirty-one thousand, six hundred forty-one".