3597749 has 2 divisors, whose sum is σ = 3597750. Its totient is φ = 3597748.

The previous prime is 3597703. The next prime is 3597751. The reversal of 3597749 is 9477953.

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., 3591025 + 6724 = 1895^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 3597749 - 2⁸ = 3597493 is a prime.

Together with 3597751, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3597049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1798874 + 1798875.

It is an arithmetic number, because the mean of its divisors is an integer number (1798875).

Almost surely, 2^3597749 is an apocalyptic number.

It is an amenable number.

3597749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3597749 is an equidigital number, since it uses as much as digits as its factorization.

3597749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 238140, while the sum is 44.

The square root of 3597749 is about 1896.7733127604. The cubic root of 3597749 is about 153.2299360679.

The spelling of 3597749 in words is "three million, five hundred ninety-seven thousand, seven hundred forty-nine".