3607997 has 4 divisors (see below), whose sum is σ = 3724416. Its totient is φ = 3491580.

The previous prime is 3607991. The next prime is 3607999. The reversal of 3607997 is 7997063.

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: 7997063 = 127 ⋅62969.

It is a cyclic number.

It is not a de Polignac number, because 3607997 - 2⁸ = 3607741 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 (3607991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58163 + ... + 58224.

It is an arithmetic number, because the mean of its divisors is an integer number (931104).

Almost surely, 2^3607997 is an apocalyptic number.

It is an amenable number.

3607997 is a deficient number, since it is larger than the sum of its proper divisors (116419).

3607997 is a wasteful number, since it uses less digits than its factorization.

3607997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116418.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 3607997 is about 1899.4728216008. The cubic root of 3607997 is about 153.3752873016.

The spelling of 3607997 in words is "three million, six hundred seven thousand, nine hundred ninety-seven".