3894942 has 8 divisors (see below), whose sum is σ = 7789896. Its totient is φ = 1298312.

The previous prime is 3894923. The next prime is 3894949. The reversal of 3894942 is 2494983.

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

3894942 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3894942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894949) 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, 324573 + ... + 324584.

It is an arithmetic number, because the mean of its divisors is an integer number (973737).

Almost surely, 2^3894942 is an apocalyptic number.

3894942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3894942 is a wasteful number, since it uses less digits than its factorization.

3894942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649162.

The product of its digits is 62208, while the sum is 39.

The square root of 3894942 is about 1973.5607414012. The cubic root of 3894942 is about 157.3380143601.

The spelling of 3894942 in words is "three million, eight hundred ninety-four thousand, nine hundred forty-two".