387347 has 4 divisors (see below), whose sum is σ = 389760. Its totient is φ = 384936.

The previous prime is 387341. The next prime is 387371. The reversal of 387347 is 743783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743783 = 31 ⋅23993.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387341) 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, 947 + ... + 1292.

It is an arithmetic number, because the mean of its divisors is an integer number (97440).

2³⁸⁷³⁴⁷ is an apocalyptic number.

387347 is a deficient number, since it is larger than the sum of its proper divisors (2413).

387347 is a wasteful number, since it uses less digits than its factorization.

387347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its digits is 14112, while the sum is 32.

The square root of 387347 is about 622.3720752090. The cubic root of 387347 is about 72.8953902912.

The spelling of 387347 in words is "three hundred eighty-seven thousand, three hundred forty-seven".