7663956 has 12 divisors (see below), whose sum is σ = 17882592. Its totient is φ = 2554648.

The previous prime is 7663951. The next prime is 7663967. The reversal of 7663956 is 6593667.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7663951) 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, 319320 + ... + 319343.

It is an arithmetic number, because the mean of its divisors is an integer number (1490216).

Almost surely, 2^7663956 is an apocalyptic number.

It is an amenable number.

7663956 is an abundant number, since it is smaller than the sum of its proper divisors (10218636).

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

7663956 is a wasteful number, since it uses less digits than its factorization.

7663956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638670 (or 638668 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 7663956 is about 2768.3850888198. The cubic root of 7663956 is about 197.1594815998.

The spelling of 7663956 in words is "seven million, six hundred sixty-three thousand, nine hundred fifty-six".