4026431 has 4 divisors (see below), whose sum is σ = 4035000. Its totient is φ = 4017864.

The previous prime is 4026409. The next prime is 4026437. The reversal of 4026431 is 1346204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4026431 - 2¹⁰ = 4025407 is a prime.

It is a super-2 number, since 2×4026431² = 32424293195522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026437) 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, 3536 + ... + 4533.

It is an arithmetic number, because the mean of its divisors is an integer number (1008750).

Almost surely, 2^4026431 is an apocalyptic number.

4026431 is a deficient number, since it is larger than the sum of its proper divisors (8569).

4026431 is an equidigital number, since it uses as much as digits as its factorization.

4026431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8568.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4026431 is about 2006.5968703255. The cubic root of 4026431 is about 159.0889762140.

The spelling of 4026431 in words is "four million, twenty-six thousand, four hundred thirty-one".