2473839 has 6 divisors (see below), whose sum is σ = 3573336. Its totient is φ = 1649220.

The previous prime is 2473837. The next prime is 2473871. The reversal of 2473839 is 9383742.

It is not a de Polignac number, because 2473839 - 2¹ = 2473837 is a prime.

It is a super-2 number, since 2×2473839² = 12239758795842, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 137427 + ... + 137444.

It is an arithmetic number, because the mean of its divisors is an integer number (595556).

2^2473839 is an apocalyptic number.

2473839 is a deficient number, since it is larger than the sum of its proper divisors (1099497).

2473839 is a wasteful number, since it uses less digits than its factorization.

2473839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274877 (or 274874 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 2473839 is about 1572.8442389506. The cubic root of 2473839 is about 135.2458073077.

Subtracting 2473839 from its reverse (9383742), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2473839 in words is "two million, four hundred seventy-three thousand, eight hundred thirty-nine".