4090031 has 8 divisors (see below), whose sum is σ = 4566144. Its totient is φ = 3631320.

The previous prime is 4090019. The next prime is 4090033. The reversal of 4090031 is 1300904.

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

It is a de Polignac number, because none of the positive numbers 2^k-4090031 is a prime.

It is a super-2 number, since 2×4090031² = 33456707161922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4089991 and 4090009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4090033) 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, 3851 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (570768).

Almost surely, 2^4090031 is an apocalyptic number.

4090031 is a deficient number, since it is larger than the sum of its proper divisors (476113).

4090031 is a wasteful number, since it uses less digits than its factorization.

4090031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 4090031 is about 2022.3825058579. The cubic root of 4090031 is about 159.9222408614.

Adding to 4090031 its reverse (1300904), we get a palindrome (5390935).

The spelling of 4090031 in words is "four million, ninety thousand, thirty-one".