4031997 has 8 divisors (see below), whose sum is σ = 5392800. Its totient is φ = 2679600.

The previous prime is 4031987. The next prime is 4032029. The reversal of 4031997 is 7991304.

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

It is not a de Polignac number, because 4031997 - 2¹⁰ = 4030973 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 879 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (674100).

Almost surely, 2^4031997 is an apocalyptic number.

It is an amenable number.

4031997 is a deficient number, since it is larger than the sum of its proper divisors (1360803).

4031997 is a wasteful number, since it uses less digits than its factorization.

4031997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 4031997 is about 2007.9833166638. The cubic root of 4031997 is about 159.1622488411.

The spelling of 4031997 in words is "four million, thirty-one thousand, nine hundred ninety-seven".