3691433 has 4 divisors (see below), whose sum is σ = 3738240. Its totient is φ = 3644628.

The previous prime is 3691403. The next prime is 3691447. The reversal of 3691433 is 3341963.

3691433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3341963 = 947 ⋅3529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3691433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3691396 and 3691405.

It is not an unprimeable number, because it can be changed into a prime (3691403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23285 + ... + 23442.

It is an arithmetic number, because the mean of its divisors is an integer number (934560).

Almost surely, 2^3691433 is an apocalyptic number.

It is an amenable number.

3691433 is a deficient number, since it is larger than the sum of its proper divisors (46807).

3691433 is an equidigital number, since it uses as much as digits as its factorization.

3691433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46806.

The product of its digits is 5832, while the sum is 29.

The square root of 3691433 is about 1921.3102300253. The cubic root of 3691433 is about 154.5485720562.

The spelling of 3691433 in words is "three million, six hundred ninety-one thousand, four hundred thirty-three".