7971036 has 12 divisors (see below), whose sum is σ = 18599112. Its totient is φ = 2657008.

The previous prime is 7971031. The next prime is 7971091. The reversal of 7971036 is 6301797.

7971036 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7970988 and 7971006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7971031) 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, 332115 + ... + 332138.

It is an arithmetic number, because the mean of its divisors is an integer number (1549926).

Almost surely, 2^7971036 is an apocalyptic number.

It is an amenable number.

7971036 is an abundant number, since it is smaller than the sum of its proper divisors (10628076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7971036 is a wasteful number, since it uses less digits than its factorization.

7971036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664260 (or 664258 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 7971036 is about 2823.3023217502. The cubic root of 7971036 is about 199.7583414567.

The spelling of 7971036 in words is "seven million, nine hundred seventy-one thousand, thirty-six".