3973516 has 12 divisors (see below), whose sum is σ = 7085232. Its totient is φ = 1949168.

The previous prime is 3973511. The next prime is 3973517. The reversal of 3973516 is 6153793.

It is not an unprimeable number, because it can be changed into a prime (3973511) 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, 9160 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (590436).

Almost surely, 2^3973516 is an apocalyptic number.

3973516 is the 1066-th centered heptagonal number.

It is an amenable number.

3973516 is a deficient number, since it is larger than the sum of its proper divisors (3111716).

3973516 is a wasteful number, since it uses less digits than its factorization.

3973516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18800 (or 18798 counting only the distinct ones).

The product of its digits is 17010, while the sum is 34.

The square root of 3973516 is about 1993.3680041578. The cubic root of 3973516 is about 158.3889897289.

It can be divided in two parts, 3973 and 516, that added together give a square (4489 = 67²).

The spelling of 3973516 in words is "three million, nine hundred seventy-three thousand, five hundred sixteen".