7838965 has 8 divisors (see below), whose sum is σ = 9584568. Its totient is φ = 6152640.

The previous prime is 7838951. The next prime is 7838969. The reversal of 7838965 is 5698387.

It can be written as a sum of positive squares in 4 ways, for example, as 2241009 + 5597956 = 1497^2 + 2366^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-7838965 is a prime.

It is a super-2 number, since 2×7838965² = 122898744542450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7838969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14526 + ... + 15055.

It is an arithmetic number, because the mean of its divisors is an integer number (1198071).

Almost surely, 2^7838965 is an apocalyptic number.

It is an amenable number.

7838965 is a deficient number, since it is larger than the sum of its proper divisors (1745603).

7838965 is a wasteful number, since it uses less digits than its factorization.

7838965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29639.

The product of its digits is 362880, while the sum is 46.

The square root of 7838965 is about 2799.8151724712. The cubic root of 7838965 is about 198.6489353398.

The spelling of 7838965 in words is "seven million, eight hundred thirty-eight thousand, nine hundred sixty-five".