4031994 has 8 divisors (see below), whose sum is σ = 8064000. Its totient is φ = 1343996.

The previous prime is 4031987. The next prime is 4032029. The reversal of 4031994 is 4991304.

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

4031994 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335994 + ... + 336005.

It is an arithmetic number, because the mean of its divisors is an integer number (1008000).

Almost surely, 2^4031994 is an apocalyptic number.

4031994 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.

4031994 is a wasteful number, since it uses less digits than its factorization.

4031994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672004.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 4031994 is about 2007.9825696455. The cubic root of 4031994 is about 159.1622093663.

The spelling of 4031994 in words is "four million, thirty-one thousand, nine hundred ninety-four".