2993439 has 4 divisors (see below), whose sum is σ = 3991256. Its totient is φ = 1995624.

The previous prime is 2993437. The next prime is 2993443. The reversal of 2993439 is 9343992.

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

It is not a de Polignac number, because 2993439 - 2¹ = 2993437 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2993397 and 2993406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2993437) 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, 498904 + ... + 498909.

It is an arithmetic number, because the mean of its divisors is an integer number (997814).

2^2993439 is an apocalyptic number.

2993439 is a deficient number, since it is larger than the sum of its proper divisors (997817).

2993439 is an equidigital number, since it uses as much as digits as its factorization.

2993439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997816.

The product of its digits is 52488, while the sum is 39.

The square root of 2993439 is about 1730.1557733337. The cubic root of 2993439 is about 144.1197402967.

The spelling of 2993439 in words is "two million, nine hundred ninety-three thousand, four hundred thirty-nine".