3985473 has 4 divisors (see below), whose sum is σ = 5313968. Its totient is φ = 2656980.

The previous prime is 3985469. The next prime is 3985511. The reversal of 3985473 is 3745893.

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: 3745893 = 3 ⋅1248631.

It is not a de Polignac number, because 3985473 - 2² = 3985469 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3985403) 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, 664243 + ... + 664248.

It is an arithmetic number, because the mean of its divisors is an integer number (1328492).

Almost surely, 2^3985473 is an apocalyptic number.

It is an amenable number.

3985473 is a deficient number, since it is larger than the sum of its proper divisors (1328495).

3985473 is a wasteful number, since it uses less digits than its factorization.

3985473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328494.

The product of its digits is 90720, while the sum is 39.

The square root of 3985473 is about 1996.3649465967. The cubic root of 3985473 is about 158.5477039651.

The spelling of 3985473 in words is "three million, nine hundred eighty-five thousand, four hundred seventy-three".