3438749 has 2 divisors, whose sum is σ = 3438750. Its totient is φ = 3438748.

The previous prime is 3438731. The next prime is 3438751. The reversal of 3438749 is 9478343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 1428025 = 1418^2 + 1195^2 .

It is a cyclic number.

It is not a de Polignac number, because 3438749 - 2¹⁶ = 3373213 is a prime.

Together with 3438751, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3438049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719374 + 1719375.

It is an arithmetic number, because the mean of its divisors is an integer number (1719375).

Almost surely, 2^3438749 is an apocalyptic number.

It is an amenable number.

3438749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438749 is an equidigital number, since it uses as much as digits as its factorization.

3438749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 3438749 is about 1854.3864214343. The cubic root of 3438749 is about 150.9385449377.

It can be divided in two parts, 34 and 38749, that added together give a palindrome (38783).

The spelling of 3438749 in words is "three million, four hundred thirty-eight thousand, seven hundred forty-nine".