2047431 has 8 divisors (see below), whose sum is σ = 2767600. Its totient is φ = 1346112.

The previous prime is 2047403. The next prime is 2047439. The reversal of 2047431 is 1347402.

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

It is not a de Polignac number, because 2047431 - 2⁷ = 2047303 is a prime.

It is a super-2 number, since 2×2047431² = 8383947399522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2047398 and 2047407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2047439) 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, 4456 + ... + 4893.

It is an arithmetic number, because the mean of its divisors is an integer number (345950).

2^2047431 is an apocalyptic number.

2047431 is a deficient number, since it is larger than the sum of its proper divisors (720169).

2047431 is an equidigital number, since it uses as much as digits as its factorization.

2047431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9425.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2047431 is about 1430.8846913710. The cubic root of 2047431 is about 126.9803222452.

The spelling of 2047431 in words is "two million, forty-seven thousand, four hundred thirty-one".