3208997 has 4 divisors (see below), whose sum is σ = 3500736. Its totient is φ = 2917260.

The previous prime is 3208979. The next prime is 3208999. The reversal of 3208997 is 7998023.

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.

It is a cyclic number.

It is not a de Polignac number, because 3208997 - 2¹⁴ = 3192613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3208997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3208999) 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, 145853 + ... + 145874.

It is an arithmetic number, because the mean of its divisors is an integer number (875184).

Almost surely, 2^3208997 is an apocalyptic number.

It is an amenable number.

3208997 is a deficient number, since it is larger than the sum of its proper divisors (291739).

3208997 is a wasteful number, since it uses less digits than its factorization.

3208997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291738.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3208997 is about 1791.3673548438. The cubic root of 3208997 is about 147.4992358478.

The spelling of 3208997 in words is "three million, two hundred eight thousand, nine hundred ninety-seven".