2429431 has 4 divisors (see below), whose sum is σ = 2433672. Its totient is φ = 2425192.

The previous prime is 2429411. The next prime is 2429437. The reversal of 2429431 is 1349242.

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 2429431 - 2⁹ = 2428919 is a prime.

It is a super-2 number, since 2×2429431² = 11804269967522, which contains 22 as substring.

It is a Duffinian number.

2429431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2429396 and 2429405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2429437) 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, 1096 + ... + 2461.

It is an arithmetic number, because the mean of its divisors is an integer number (608418).

2^2429431 is an apocalyptic number.

2429431 is a deficient number, since it is larger than the sum of its proper divisors (4241).

2429431 is an equidigital number, since it uses as much as digits as its factorization.

2429431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240.

The product of its digits is 1728, while the sum is 25.

The square root of 2429431 is about 1558.6632092919. The cubic root of 2429431 is about 134.4316480825.

The spelling of 2429431 in words is "two million, four hundred twenty-nine thousand, four hundred thirty-one".