387797441 has 4 divisors (see below), whose sum is σ = 388458672. Its totient is φ = 387136212.

The previous prime is 387797437. The next prime is 387797453. The reversal of 387797441 is 144797783.

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 387797441 - 2² = 387797437 is a prime.

It is a super-2 number, since 2×387797441² = 300773710492296962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 387797441.

It is not an unprimeable number, because it can be changed into a prime (387797341) 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, 329735 + ... + 330908.

It is an arithmetic number, because the mean of its divisors is an integer number (97114668).

Almost surely, 2^387797441 is an apocalyptic number.

It is an amenable number.

387797441 is a deficient number, since it is larger than the sum of its proper divisors (661231).

387797441 is an equidigital number, since it uses as much as digits as its factorization.

387797441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661230.

The product of its digits is 1185408, while the sum is 50.

The square root of 387797441 is about 19692.5732447540. The cubic root of 387797441 is about 729.2363572567.

The spelling of 387797441 in words is "three hundred eighty-seven million, seven hundred ninety-seven thousand, four hundred forty-one".