3173649 has 4 divisors (see below), whose sum is σ = 4231536. Its totient is φ = 2115764.

The previous prime is 3173641. The next prime is 3173657. The reversal of 3173649 is 9463713.

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 an interprime number because it is at equal distance from previous prime (3173641) and next prime (3173657).

It is a cyclic number.

It is not a de Polignac number, because 3173649 - 2³ = 3173641 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3173641) 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, 528939 + ... + 528944.

It is an arithmetic number, because the mean of its divisors is an integer number (1057884).

Almost surely, 2^3173649 is an apocalyptic number.

It is an amenable number.

3173649 is a deficient number, since it is larger than the sum of its proper divisors (1057887).

3173649 is a wasteful number, since it uses less digits than its factorization.

3173649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057886.

The product of its digits is 13608, while the sum is 33.

The square root of 3173649 is about 1781.4738280424. The cubic root of 3173649 is about 146.9556532433.

Subtracting 3173649 from its reverse (9463713), we obtain a square (6290064 = 2508²).

The spelling of 3173649 in words is "three million, one hundred seventy-three thousand, six hundred forty-nine".