3641019 has 4 divisors (see below), whose sum is σ = 4854696. Its totient is φ = 2427344.

The previous prime is 3640999. The next prime is 3641041. The reversal of 3641019 is 9101463.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3641019 - 2⁷ = 3640891 is a prime.

It is a super-2 number, since 2×3641019² = 26514038716722, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 3641019.

It is not an unprimeable number, because it can be changed into a prime (3641069) 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, 606834 + ... + 606839.

It is an arithmetic number, because the mean of its divisors is an integer number (1213674).

Almost surely, 2^3641019 is an apocalyptic number.

3641019 is a deficient number, since it is larger than the sum of its proper divisors (1213677).

3641019 is a wasteful number, since it uses less digits than its factorization.

3641019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213676.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 3641019 is about 1908.1454347088. The cubic root of 3641019 is about 153.8417866901.

The spelling of 3641019 in words is "three million, six hundred forty-one thousand, nineteen".