841387 has 4 divisors (see below), whose sum is σ = 845856. Its totient is φ = 836920.

The previous prime is 841369. The next prime is 841391. The reversal of 841387 is 783148.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 841387 - 2⁷ = 841259 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (841307) 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, 1939 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (211464).

2⁸⁴¹³⁸⁷ is an apocalyptic number.

841387 is a deficient number, since it is larger than the sum of its proper divisors (4469).

841387 is a wasteful number, since it uses less digits than its factorization.

841387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468.

The product of its digits is 5376, while the sum is 31.

The square root of 841387 is about 917.2714974314. The cubic root of 841387 is about 94.4057831251.

The spelling of 841387 in words is "eight hundred forty-one thousand, three hundred eighty-seven".