3694943 has 6 divisors (see below), whose sum is σ = 4298256. Its totient is φ = 3167052.

The previous prime is 3694937. The next prime is 3694981. The reversal of 3694943 is 3494963.

It is not a de Polignac number, because 3694943 - 2¹⁶ = 3629407 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3694897 and 3694906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37655 + ... + 37752.

It is an arithmetic number, because the mean of its divisors is an integer number (716376).

Almost surely, 2^3694943 is an apocalyptic number.

3694943 is a deficient number, since it is larger than the sum of its proper divisors (603313).

3694943 is an equidigital number, since it uses as much as digits as its factorization.

3694943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75421 (or 75414 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 3694943 is about 1922.2234521512. The cubic root of 3694943 is about 154.5975407218.

The spelling of 3694943 in words is "three million, six hundred ninety-four thousand, nine hundred forty-three".