3999363 has 4 divisors (see below), whose sum is σ = 5332488. Its totient is φ = 2666240.

The previous prime is 3999337. The next prime is 3999379. The reversal of 3999363 is 3639993.

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 3999363 - 2¹⁰ = 3998339 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3999313) 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, 666558 + ... + 666563.

It is an arithmetic number, because the mean of its divisors is an integer number (1333122).

Almost surely, 2^3999363 is an apocalyptic number.

3999363 is a deficient number, since it is larger than the sum of its proper divisors (1333125).

3999363 is a wasteful number, since it uses less digits than its factorization.

3999363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333124.

The product of its digits is 118098, while the sum is 42.

The square root of 3999363 is about 1999.8407436594. The cubic root of 3999363 is about 158.7316782956.

The spelling of 3999363 in words is "three million, nine hundred ninety-nine thousand, three hundred sixty-three".