7738965 has 24 divisors (see below), whose sum is σ = 14447160. Its totient is φ = 3809664.

The previous prime is 7738943. The next prime is 7738967. The reversal of 7738965 is 5698377.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1790244 + 5948721 = 1338^2 + 2439^2 .

It is not a de Polignac number, because 7738965 - 2¹² = 7734869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7738965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7738967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6030 + ... + 7199.

It is an arithmetic number, because the mean of its divisors is an integer number (601965).

Almost surely, 2^7738965 is an apocalyptic number.

It is an amenable number.

7738965 is a deficient number, since it is larger than the sum of its proper divisors (6708195).

7738965 is a wasteful number, since it uses less digits than its factorization.

7738965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253 (or 13250 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 7738965 is about 2781.8995308961. The cubic root of 7738965 is about 197.8006104202.

The spelling of 7738965 in words is "seven million, seven hundred thirty-eight thousand, nine hundred sixty-five".