2029431 has 8 divisors (see below), whose sum is σ = 2740480. Its totient is φ = 1335672.

The previous prime is 2029411. The next prime is 2029439. The reversal of 2029431 is 1349202.

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

It is not a de Polignac number, because 2029431 - 2⁵ = 2029399 is a prime.

It is a super-2 number, since 2×2029431² = 8237180367522, which contains 22 as substring.

It is a Duffinian number.

2029431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2029398 and 2029407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4045 + ... + 4518.

It is an arithmetic number, because the mean of its divisors is an integer number (342560).

2^2029431 is an apocalyptic number.

2029431 is a deficient number, since it is larger than the sum of its proper divisors (711049).

2029431 is an equidigital number, since it uses as much as digits as its factorization.

2029431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8645.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 2029431 is about 1424.5809910286. The cubic root of 2029431 is about 126.6071103524.

The spelling of 2029431 in words is "two million, twenty-nine thousand, four hundred thirty-one".