7963900 has 72 divisors (see below), whose sum is σ = 20443136. Its totient is φ = 2635200.

The previous prime is 7963873. The next prime is 7963909. The reversal of 7963900 is 93697.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7963909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21517 + ... + 21883.

Almost surely, 2^7963900 is an apocalyptic number.

7963900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7963900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10221568).

7963900 is an abundant number, since it is smaller than the sum of its proper divisors (12479236).

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

7963900 is a wasteful number, since it uses less digits than its factorization.

7963900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419 (or 412 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 7963900 is about 2822.0382704705. The cubic root of 7963900 is about 199.6987130254.

The spelling of 7963900 in words is "seven million, nine hundred sixty-three thousand, nine hundred".