387157 has 4 divisors (see below), whose sum is σ = 389376. Its totient is φ = 384940.

The previous prime is 387151. The next prime is 387161. The reversal of 387157 is 751783.

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: 751783 = 89 ⋅8447.

It is a cyclic number.

It is not a de Polignac number, because 387157 - 2¹¹ = 385109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387151) 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, 823 + ... + 1204.

It is an arithmetic number, because the mean of its divisors is an integer number (97344).

2³⁸⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

387157 is a deficient number, since it is larger than the sum of its proper divisors (2219).

387157 is a wasteful number, since it uses less digits than its factorization.

387157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218.

The product of its digits is 5880, while the sum is 31.

The square root of 387157 is about 622.2194146762. The cubic root of 387157 is about 72.8834695506.

The spelling of 387157 in words is "three hundred eighty-seven thousand, one hundred fifty-seven".