4778349 has 8 divisors (see below), whose sum is σ = 6506880. Its totient is φ = 3117696.

The previous prime is 4778341. The next prime is 4778357. The reversal of 4778349 is 9438774.

It is an interprime number because it is at equal distance from previous prime (4778341) and next prime (4778357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4778349 - 2³ = 4778341 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4778349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16804 + ... + 17085.

It is an arithmetic number, because the mean of its divisors is an integer number (813360).

Almost surely, 2^4778349 is an apocalyptic number.

It is an amenable number.

4778349 is a deficient number, since it is larger than the sum of its proper divisors (1728531).

4778349 is a wasteful number, since it uses less digits than its factorization.

4778349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33939.

The product of its digits is 169344, while the sum is 42.

The square root of 4778349 is about 2185.9435033870. The cubic root of 4778349 is about 168.4325235317.

The spelling of 4778349 in words is "four million, seven hundred seventy-eight thousand, three hundred forty-nine".