4080749 has 2 divisors, whose sum is σ = 4080750. Its totient is φ = 4080748.

The previous prime is 4080737. The next prime is 4080751. The reversal of 4080749 is 9470804.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 1087849 = 1730^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4080749 is a prime.

Together with 4080751, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₈₈₅₀₉ and since 4080749 and 288509 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4080719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040374 + 2040375.

It is an arithmetic number, because the mean of its divisors is an integer number (2040375).

Almost surely, 2^4080749 is an apocalyptic number.

It is an amenable number.

4080749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4080749 is an equidigital number, since it uses as much as digits as its factorization.

4080749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 4080749 is about 2020.0863842915. The cubic root of 4080749 is about 159.8011722953.

The spelling of 4080749 in words is "four million, eighty thousand, seven hundred forty-nine".