3780955 has 4 divisors (see below), whose sum is σ = 4537152. Its totient is φ = 3024760.

The previous prime is 3780949. The next prime is 3780961. The reversal of 3780955 is 5590873.

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

It is an interprime number because it is at equal distance from previous prime (3780949) and next prime (3780961).

It is not a de Polignac number, because 3780955 - 2¹³ = 3772763 is a prime.

It is a Duffinian 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, 378091 + ... + 378100.

It is an arithmetic number, because the mean of its divisors is an integer number (1134288).

Almost surely, 2^3780955 is an apocalyptic number.

3780955 is a deficient number, since it is larger than the sum of its proper divisors (756197).

3780955 is an equidigital number, since it uses as much as digits as its factorization.

3780955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756196.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 3780955 is about 1944.4677935106. The cubic root of 3780955 is about 155.7879405537.

The spelling of 3780955 in words is "three million, seven hundred eighty thousand, nine hundred fifty-five".