2378465 has 4 divisors (see below), whose sum is σ = 2854164. Its totient is φ = 1902768.

The previous prime is 2378461. The next prime is 2378473. The reversal of 2378465 is 5648732.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1175056 + 1203409 = 1084^2 + 1097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2378465 - 2² = 2378461 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 3⁶ + 7 + 8³ + 4 + 6⁷ + 5³ .

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2378461) 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, 237842 + ... + 237851.

It is an arithmetic number, because the mean of its divisors is an integer number (713541).

2^2378465 is an apocalyptic number.

It is an amenable number.

2378465 is a deficient number, since it is larger than the sum of its proper divisors (475699).

2378465 is an equidigital number, since it uses as much as digits as its factorization.

2378465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475698.

The product of its digits is 40320, while the sum is 35.

The square root of 2378465 is about 1542.2272854544. The cubic root of 2378465 is about 133.4849352001.

The spelling of 2378465 in words is "two million, three hundred seventy-eight thousand, four hundred sixty-five".