387293 has 4 divisors (see below), whose sum is σ = 389088. Its totient is φ = 385500.

The previous prime is 387281. The next prime is 387307. The reversal of 387293 is 392783.

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: 392783 = 53 ⋅7411.

It is a cyclic number.

It is not a de Polignac number, because 387293 - 2¹⁶ = 321757 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 (387203) 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, 521 + ... + 1022.

It is an arithmetic number, because the mean of its divisors is an integer number (97272).

2³⁸⁷²⁹³ is an apocalyptic number.

It is an amenable number.

387293 is a deficient number, since it is larger than the sum of its proper divisors (1795).

387293 is a wasteful number, since it uses less digits than its factorization.

387293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794.

The product of its digits is 9072, while the sum is 32.

The square root of 387293 is about 622.3286912878. The cubic root of 387293 is about 72.8920026879.

The spelling of 387293 in words is "three hundred eighty-seven thousand, two hundred ninety-three".