2830431 has 4 divisors (see below), whose sum is σ = 3773912. Its totient is φ = 1886952.

The previous prime is 2830397. The next prime is 2830433. The reversal of 2830431 is 1340382.

It is a happy number.

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

It is not a de Polignac number, because 2830431 - 2⁶ = 2830367 is a prime.

It is a super-2 number, since 2×2830431² = 16022679291522, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

2830431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2830398 and 2830407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2830433) 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, 471736 + ... + 471741.

It is an arithmetic number, because the mean of its divisors is an integer number (943478).

2^2830431 is an apocalyptic number.

2830431 is a deficient number, since it is larger than the sum of its proper divisors (943481).

2830431 is an equidigital number, since it uses as much as digits as its factorization.

2830431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943480.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2830431 is about 1682.3884807024. The cubic root of 2830431 is about 141.4547462741.

The spelling of 2830431 in words is "two million, eight hundred thirty thousand, four hundred thirty-one".