3619944 has 32 divisors (see below), whose sum is σ = 10056000. Its totient is φ = 1206576.

The previous prime is 3619921. The next prime is 3619961. The reversal of 3619944 is 4499163.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 3619899 and 3619908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8164 + ... + 8595.

It is an arithmetic number, because the mean of its divisors is an integer number (314250).

Almost surely, 2^3619944 is an apocalyptic number.

It is an amenable number.

3619944 is an abundant number, since it is smaller than the sum of its proper divisors (6436056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3619944 is a wasteful number, since it uses less digits than its factorization.

3619944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16774 (or 16764 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 3619944 is about 1902.6150425139. The cubic root of 3619944 is about 153.5443890481.

The spelling of 3619944 in words is "three million, six hundred nineteen thousand, nine hundred forty-four".