3658667 has 2 divisors, whose sum is σ = 3658668. Its totient is φ = 3658666.

The previous prime is 3658661. The next prime is 3658673. The reversal of 3658667 is 7668563.

It is a balanced prime because it is at equal distance from previous prime (3658661) and next prime (3658673).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3658667 is a prime.

It is not a weakly prime, because it can be changed into another prime (3658661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1829333 + 1829334.

It is an arithmetic number, because the mean of its divisors is an integer number (1829334).

Almost surely, 2^3658667 is an apocalyptic number.

3658667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3658667 is an equidigital number, since it uses as much as digits as its factorization.

3658667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 3658667 is about 1912.7642301131. The cubic root of 3658667 is about 154.0899429614.

The spelling of 3658667 in words is "three million, six hundred fifty-eight thousand, six hundred sixty-seven".