387341237 has 4 divisors (see below), whose sum is σ = 390391296. Its totient is φ = 384291180.

The previous prime is 387341233. The next prime is 387341263. The reversal of 387341237 is 732143783.

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: 732143783 = 7 ⋅104591969.

It is a cyclic number.

It is not a de Polignac number, because 387341237 - 2² = 387341233 is a prime.

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 387341237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387341231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1524839 + ... + 1525092.

It is an arithmetic number, because the mean of its divisors is an integer number (97597824).

Almost surely, 2^387341237 is an apocalyptic number.

It is an amenable number.

387341237 is a deficient number, since it is larger than the sum of its proper divisors (3050059).

387341237 is a wasteful number, since it uses less digits than its factorization.

387341237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3050058.

The product of its digits is 84672, while the sum is 38.

The square root of 387341237 is about 19680.9866876638. The cubic root of 387341237 is about 728.9502877368.

The spelling of 387341237 in words is "three hundred eighty-seven million, three hundred forty-one thousand, two hundred thirty-seven".