3780997 has 4 divisors (see below), whose sum is σ = 4124736. Its totient is φ = 3437260.

The previous prime is 3780989. The next prime is 3781007. The reversal of 3780997 is 7990873.

3780997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 3780997 - 2³ = 3780989 is a prime.

3780997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171853 + ... + 171874.

It is an arithmetic number, because the mean of its divisors is an integer number (1031184).

Almost surely, 2^3780997 is an apocalyptic number.

It is an amenable number.

3780997 is a deficient number, since it is larger than the sum of its proper divisors (343739).

3780997 is a wasteful number, since it uses less digits than its factorization.

3780997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343738.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 3780997 is about 1944.4785933509. The cubic root of 3780997 is about 155.7885173982.

The spelling of 3780997 in words is "three million, seven hundred eighty thousand, nine hundred ninety-seven".