942381 has 32 divisors (see below), whose sum is σ = 1612800. Its totient is φ = 537840.

The previous prime is 942371. The next prime is 942401. The reversal of 942381 is 183249.

942381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 942381 - 2⁶ = 942317 is a prime.

It is a super-2 number, since 2×942381² = 1776163898322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (942301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5560 + ... + 5726.

It is an arithmetic number, because the mean of its divisors is an integer number (50400).

2⁹⁴²³⁸¹ is an apocalyptic number.

It is an amenable number.

942381 is a deficient number, since it is larger than the sum of its proper divisors (670419).

942381 is a wasteful number, since it uses less digits than its factorization.

942381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 200 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 942381 is about 970.7631018946. The cubic root of 942381 is about 98.0412501620.

The spelling of 942381 in words is "nine hundred forty-two thousand, three hundred eighty-one".