4378493 has 12 divisors (see below), whose sum is σ = 5362560. Its totient is φ = 3554712.

The previous prime is 4378481. The next prime is 4378511. The reversal of 4378493 is 3948734.

It is not a de Polignac number, because 4378493 - 2⁴ = 4378477 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1421 + ... + 3282.

It is an arithmetic number, because the mean of its divisors is an integer number (446880).

Almost surely, 2^4378493 is an apocalyptic number.

It is an amenable number.

4378493 is a deficient number, since it is larger than the sum of its proper divisors (984067).

4378493 is a wasteful number, since it uses less digits than its factorization.

4378493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4736 (or 4729 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 4378493 is about 2092.4848864448. The cubic root of 4378493 is about 163.5968309196.

The spelling of 4378493 in words is "four million, three hundred seventy-eight thousand, four hundred ninety-three".