7838916 has 12 divisors (see below), whose sum is σ = 18290832. Its totient is φ = 2612968.

The previous prime is 7838893. The next prime is 7838951. The reversal of 7838916 is 6198387.

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

It is a super-2 number, since 2×7838916² = 122897208110112, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 326610 + ... + 326633.

It is an arithmetic number, because the mean of its divisors is an integer number (1524236).

Almost surely, 2^7838916 is an apocalyptic number.

It is an amenable number.

7838916 is an abundant number, since it is smaller than the sum of its proper divisors (10451916).

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

7838916 is a wasteful number, since it uses less digits than its factorization.

7838916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653250 (or 653248 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 7838916 is about 2799.8064218799. The cubic root of 7838916 is about 198.6485214323.

The spelling of 7838916 in words is "seven million, eight hundred thirty-eight thousand, nine hundred sixteen".