3680431 has 2 divisors, whose sum is σ = 3680432. Its totient is φ = 3680430.

The previous prime is 3680407. The next prime is 3680459. The reversal of 3680431 is 1340863.

3680431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3680431 - 2⁵ = 3680399 is a prime.

It is a super-2 number, since 2×3680431² = 27091144691522, which contains 22 as substring.

3680431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3680396 and 3680405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3680401) 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 as a sum of consecutive naturals, namely, 1840215 + 1840216.

It is an arithmetic number, because the mean of its divisors is an integer number (1840216).

Almost surely, 2^3680431 is an apocalyptic number.

3680431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3680431 is an equidigital number, since it uses as much as digits as its factorization.

3680431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3680431 is about 1918.4449431766. Note that the first 3 decimals coincide. The cubic root of 3680431 is about 154.3948796704.

The spelling of 3680431 in words is "three million, six hundred eighty thousand, four hundred thirty-one".