3196945 has 8 divisors (see below), whose sum is σ = 3850344. Its totient is φ = 2548224.

The previous prime is 3196939. The next prime is 3196951. The reversal of 3196945 is 5496913.

It is a Cunningham number, because it is equal to 1788²+1.

It is an interprime number because it is at equal distance from previous prime (3196939) and next prime (3196951).

It can be written as a sum of positive squares in 4 ways, for example, as 179776 + 3017169 = 424^2 + 1737^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3196945 - 2⁵ = 3196913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (481293).

Almost surely, 2^3196945 is an apocalyptic number.

It is an amenable number.

3196945 is a deficient number, since it is larger than the sum of its proper divisors (653399).

3196945 is a wasteful number, since it uses less digits than its factorization.

3196945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its digits is 29160, while the sum is 37.

The square root of 3196945 is about 1788.0002796420. Note that the first 3 decimals coincide. The cubic root of 3196945 is about 147.3143503635.

Subtracting 3196945 from its reverse (5496913), we obtain a cube (2299968 = 132³).

The spelling of 3196945 in words is "three million, one hundred ninety-six thousand, nine hundred forty-five".