3780115 has 4 divisors (see below), whose sum is σ = 4536144. Its totient is φ = 3024088.

The previous prime is 3780113. The next prime is 3780143. The reversal of 3780115 is 5110873.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5110873 = 29 ⋅176237.

It is a cyclic number.

It is not a de Polignac number, because 3780115 - 2¹ = 3780113 is a prime.

It is a Duffinian number.

3780115 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3780115.

It is not an unprimeable number, because it can be changed into a prime (3780113) 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, 378007 + ... + 378016.

It is an arithmetic number, because the mean of its divisors is an integer number (1134036).

Almost surely, 2^3780115 is an apocalyptic number.

3780115 is a deficient number, since it is larger than the sum of its proper divisors (756029).

3780115 is an equidigital number, since it uses as much as digits as its factorization.

3780115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756028.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 3780115 is about 1944.2517841062. The cubic root of 3780115 is about 155.7764027666.

Adding to 3780115 its reverse (5110873), we get a palindrome (8890988).

The spelling of 3780115 in words is "three million, seven hundred eighty thousand, one hundred fifteen".