2473831 has 4 divisors (see below), whose sum is σ = 2553664. Its totient is φ = 2394000.

The previous prime is 2473813. The next prime is 2473837. The reversal of 2473831 is 1383742.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1383742 = 2 ⋅691871.

It is a cyclic number.

It is not a de Polignac number, because 2473831 - 2²¹ = 376679 is a prime.

It is a super-2 number, since 2×2473831² = 12239679633122, which contains 22 as substring.

It is a Duffinian number.

2473831 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2473831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473837) 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, 39870 + ... + 39931.

It is an arithmetic number, because the mean of its divisors is an integer number (638416).

2^2473831 is an apocalyptic number.

2473831 is a deficient number, since it is larger than the sum of its proper divisors (79833).

2473831 is an equidigital number, since it uses as much as digits as its factorization.

2473831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79832.

The product of its digits is 4032, while the sum is 28.

The square root of 2473831 is about 1572.8416957851. The cubic root of 2473831 is about 135.2456615198.

The spelling of 2473831 in words is "two million, four hundred seventy-three thousand, eight hundred thirty-one".