4993439 has 4 divisors (see below), whose sum is σ = 5447400. Its totient is φ = 4539480.

The previous prime is 4993433. The next prime is 4993441. The reversal of 4993439 is 9343994.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-4993439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4993396 and 4993405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4993433) 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, 226964 + ... + 226985.

It is an arithmetic number, because the mean of its divisors is an integer number (1361850).

Almost surely, 2^4993439 is an apocalyptic number.

4993439 is a deficient number, since it is larger than the sum of its proper divisors (453961).

4993439 is a wasteful number, since it uses less digits than its factorization.

4993439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453960.

The product of its digits is 104976, while the sum is 41.

The square root of 4993439 is about 2234.6004117068. The cubic root of 4993439 is about 170.9227675808.

The spelling of 4993439 in words is "four million, nine hundred ninety-three thousand, four hundred thirty-nine".