3780197 has 4 divisors (see below), whose sum is σ = 3786720. Its totient is φ = 3773676.

The previous prime is 3780193. The next prime is 3780199. The reversal of 3780197 is 7910873.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7910873 = 23 ⋅343951.

It is a cyclic number.

It is not a de Polignac number, because 3780197 - 2² = 3780193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780191) by changing a digit.

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, 2297 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (946680).

Almost surely, 2^3780197 is an apocalyptic number.

It is an amenable number.

3780197 is a deficient number, since it is larger than the sum of its proper divisors (6523).

3780197 is an equidigital number, since it uses as much as digits as its factorization.

3780197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6522.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 3780197 is about 1944.2728717955. The cubic root of 3780197 is about 155.7775291496. Note that the first 3 decimals are identical.

The spelling of 3780197 in words is "three million, seven hundred eighty thousand, one hundred ninety-seven".