3619943 has 8 divisors (see below), whose sum is σ = 3718512. Its totient is φ = 3522816.

The previous prime is 3619921. The next prime is 3619961. The reversal of 3619943 is 3499163.

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 3619943 - 2⁸ = 3619687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3619243) 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, 6221 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (464814).

Almost surely, 2^3619943 is an apocalyptic number.

3619943 is a deficient number, since it is larger than the sum of its proper divisors (98569).

3619943 is an equidigital number, since it uses as much as digits as its factorization.

3619943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its digits is 17496, while the sum is 35.

The square root of 3619943 is about 1902.6147797176. The cubic root of 3619943 is about 153.5443749094.

The spelling of 3619943 in words is "three million, six hundred nineteen thousand, nine hundred forty-three".