387357 has 4 divisors (see below), whose sum is σ = 516480. Its totient is φ = 258236.

The previous prime is 387341. The next prime is 387371. The reversal of 387357 is 753783.

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: 753783 = 3 ⋅251261.

It is a cyclic number.

It is not a de Polignac number, because 387357 - 2⁴ = 387341 is a prime.

It is a D-number.

387357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64557 + ... + 64562.

It is an arithmetic number, because the mean of its divisors is an integer number (129120).

2³⁸⁷³⁵⁷ is an apocalyptic number.

It is an amenable number.

387357 is a deficient number, since it is larger than the sum of its proper divisors (129123).

387357 is a wasteful number, since it uses less digits than its factorization.

387357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129122.

The product of its digits is 17640, while the sum is 33.

The square root of 387357 is about 622.3801089367. The cubic root of 387357 is about 72.8960175906.

The spelling of 387357 in words is "three hundred eighty-seven thousand, three hundred fifty-seven".