8381942 has 8 divisors (see below), whose sum is σ = 12627576. Its totient is φ = 4172752.

The previous prime is 8381941. The next prime is 8381951. The reversal of 8381942 is 2491838.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8381941) 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, 8528 + ... + 9459.

It is an arithmetic number, because the mean of its divisors is an integer number (1578447).

Almost surely, 2^8381942 is an apocalyptic number.

8381942 is a deficient number, since it is larger than the sum of its proper divisors (4245634).

8381942 is a wasteful number, since it uses less digits than its factorization.

8381942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18222.

The product of its digits is 13824, while the sum is 35.

The square root of 8381942 is about 2895.1583721793. The cubic root of 8381942 is about 203.1334995102.

The spelling of 8381942 in words is "eight million, three hundred eighty-one thousand, nine hundred forty-two".