3599943 has 12 divisors (see below), whose sum is σ = 4892328. Its totient is φ = 2354400.

The previous prime is 3599941. The next prime is 3599963. The reversal of 3599943 is 3499953.

It is a happy number.

It is not a de Polignac number, because 3599943 - 2¹ = 3599941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3599895 and 3599904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3599941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32973 + ... + 33081.

It is an arithmetic number, because the mean of its divisors is an integer number (407694).

Almost surely, 2^3599943 is an apocalyptic number.

3599943 is a deficient number, since it is larger than the sum of its proper divisors (1292385).

3599943 is a wasteful number, since it uses less digits than its factorization.

3599943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 213 counting only the distinct ones).

The product of its digits is 131220, while the sum is 42.

The square root of 3599943 is about 1897.3515752227. The cubic root of 3599943 is about 153.2610775923.

The spelling of 3599943 in words is "three million, five hundred ninety-nine thousand, nine hundred forty-three".