387826241 has 4 divisors (see below), whose sum is σ = 423083184. Its totient is φ = 352569300.

The previous prime is 387826237. The next prime is 387826249. The reversal of 387826241 is 142628783.

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 387826241 - 2² = 387826237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387826249) 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, 17628455 + ... + 17628476.

It is an arithmetic number, because the mean of its divisors is an integer number (105770796).

Almost surely, 2^387826241 is an apocalyptic number.

It is an amenable number.

387826241 is a deficient number, since it is larger than the sum of its proper divisors (35256943).

387826241 is a wasteful number, since it uses less digits than its factorization.

387826241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35256942.

The product of its digits is 129024, while the sum is 41.

The square root of 387826241 is about 19693.3044713171. The cubic root of 387826241 is about 729.2544091957.

It can be divided in two parts, 387 and 826241, that added together give a palindrome (826628).

The spelling of 387826241 in words is "three hundred eighty-seven million, eight hundred twenty-six thousand, two hundred forty-one".