3693943 has 4 divisors (see below), whose sum is σ = 4029768. Its totient is φ = 3358120.

The previous prime is 3693883. The next prime is 3693953. The reversal of 3693943 is 3493963.

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 3693943 - 2¹³ = 3685751 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 (3693953) 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, 167896 + ... + 167917.

It is an arithmetic number, because the mean of its divisors is an integer number (1007442).

Almost surely, 2^3693943 is an apocalyptic number.

3693943 is a deficient number, since it is larger than the sum of its proper divisors (335825).

3693943 is a wasteful number, since it uses less digits than its factorization.

3693943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335824.

The product of its digits is 52488, while the sum is 37.

The square root of 3693943 is about 1921.9633191089. The cubic root of 3693943 is about 154.5835926952.

The spelling of 3693943 in words is "three million, six hundred ninety-three thousand, nine hundred forty-three".