387398441 has 4 divisors (see below), whose sum is σ = 387647232. Its totient is φ = 387149652.

The previous prime is 387398437. The next prime is 387398461. The reversal of 387398441 is 144893783.

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 387398441 - 2² = 387398437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387398411) 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, 122045 + ... + 125178.

It is an arithmetic number, because the mean of its divisors is an integer number (96911808).

Almost surely, 2^387398441 is an apocalyptic number.

It is an amenable number.

387398441 is a deficient number, since it is larger than the sum of its proper divisors (248791).

387398441 is a wasteful number, since it uses less digits than its factorization.

387398441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248790.

The product of its digits is 580608, while the sum is 47.

The square root of 387398441 is about 19682.4399148073. The cubic root of 387398441 is about 728.9861706704.

The spelling of 387398441 in words is "three hundred eighty-seven million, three hundred ninety-eight thousand, four hundred forty-one".