3973505 has 8 divisors (see below), whose sum is σ = 4779432. Its totient is φ = 3171328.

The previous prime is 3973499. The next prime is 3973511. The reversal of 3973505 is 5053793.

It is an interprime number because it is at equal distance from previous prime (3973499) and next prime (3973511).

It can be written as a sum of positive squares in 4 ways, for example, as 37249 + 3936256 = 193^2 + 1984^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3973505 is a prime.

It is a Duffinian number.

It is a Curzon 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, 2657 + ... + 3873.

It is an arithmetic number, because the mean of its divisors is an integer number (597429).

Almost surely, 2^3973505 is an apocalyptic number.

It is an amenable number.

3973505 is a deficient number, since it is larger than the sum of its proper divisors (805927).

3973505 is a wasteful number, since it uses less digits than its factorization.

3973505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875.

The product of its (nonzero) digits is 14175, while the sum is 32.

The square root of 3973505 is about 1993.3652450065. The cubic root of 3973505 is about 158.3888435711.

The spelling of 3973505 in words is "three million, nine hundred seventy-three thousand, five hundred five".