3748669 has 2 divisors, whose sum is σ = 3748670. Its totient is φ = 3748668.

The previous prime is 3748663. The next prime is 3748699. The reversal of 3748669 is 9668473.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 1026169 = 1650^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 3748669 - 2⁷ = 3748541 is a prime.

It is a super-2 number, since 2×3748669² = 28105038543122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3748663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874334 + 1874335.

It is an arithmetic number, because the mean of its divisors is an integer number (1874335).

Almost surely, 2^3748669 is an apocalyptic number.

It is an amenable number.

3748669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748669 is an equidigital number, since it uses as much as digits as its factorization.

3748669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 3748669 is about 1936.1479798817. The cubic root of 3748669 is about 155.3432421161.

The spelling of 3748669 in words is "three million, seven hundred forty-eight thousand, six hundred sixty-nine".