3509797 has 4 divisors (see below), whose sum is σ = 3525760. Its totient is φ = 3493836.

The previous prime is 3509791. The next prime is 3509801. The reversal of 3509797 is 7979053.

3509797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7979053 = 271 ⋅29443.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3509797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3509791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7647 + ... + 8092.

It is an arithmetic number, because the mean of its divisors is an integer number (881440).

Almost surely, 2^3509797 is an apocalyptic number.

It is an amenable number.

3509797 is a deficient number, since it is larger than the sum of its proper divisors (15963).

3509797 is a wasteful number, since it uses less digits than its factorization.

3509797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962.

The product of its (nonzero) digits is 59535, while the sum is 40.

The square root of 3509797 is about 1873.4452220441. The cubic root of 3509797 is about 151.9709807251.

The spelling of 3509797 in words is "three million, five hundred nine thousand, seven hundred ninety-seven".