3965473 has 4 divisors (see below), whose sum is σ = 3985600. Its totient is φ = 3945348.

The previous prime is 3965461. The next prime is 3965483. The reversal of 3965473 is 3745693.

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: 3745693 = 7 ⋅535099.

It is a cyclic number.

It is not a de Polignac number, because 3965473 - 2⁵ = 3965441 is a prime.

It is a super-2 number, since 2×3965473² = 31449952227458, which contains 22 as substring.

It is a Duffinian number.

3965473 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3965443) 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, 9765 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (996400).

Almost surely, 2^3965473 is an apocalyptic number.

It is an amenable number.

3965473 is a deficient number, since it is larger than the sum of its proper divisors (20127).

3965473 is a wasteful number, since it uses less digits than its factorization.

3965473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20126.

The product of its digits is 68040, while the sum is 37.

The square root of 3965473 is about 1991.3495423958. The cubic root of 3965473 is about 158.2820497501.

The spelling of 3965473 in words is "three million, nine hundred sixty-five thousand, four hundred seventy-three".