3961445 has 8 divisors (see below), whose sum is σ = 4821120. Its totient is φ = 3124240.

The previous prime is 3961439. The next prime is 3961453. The reversal of 3961445 is 5441693.

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

It is not a de Polignac number, because 3961445 - 2¹⁰ = 3960421 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5225 + ... + 5934.

It is an arithmetic number, because the mean of its divisors is an integer number (602640).

Almost surely, 2^3961445 is an apocalyptic number.

It is an amenable number.

3961445 is a deficient number, since it is larger than the sum of its proper divisors (859675).

3961445 is a wasteful number, since it uses less digits than its factorization.

3961445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11235.

The product of its digits is 12960, while the sum is 32.

The square root of 3961445 is about 1990.3379110091. The cubic root of 3961445 is about 158.2284389880.

The spelling of 3961445 in words is "three million, nine hundred sixty-one thousand, four hundred forty-five".