2819641 has 8 divisors (see below), whose sum is σ = 3182400. Its totient is φ = 2474640.

The previous prime is 2819633. The next prime is 2819647. The reversal of 2819641 is 1469182.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2819641 - 2³ = 2819633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2819647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4101 + ... + 4738.

It is an arithmetic number, because the mean of its divisors is an integer number (397800).

2^2819641 is an apocalyptic number.

It is an amenable number.

2819641 is a deficient number, since it is larger than the sum of its proper divisors (362759).

2819641 is a wasteful number, since it uses less digits than its factorization.

2819641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8879.

The product of its digits is 3456, while the sum is 31.

The square root of 2819641 is about 1679.1786682780. The cubic root of 2819641 is about 141.2747689354.

The spelling of 2819641 in words is "two million, eight hundred nineteen thousand, six hundred forty-one".