4247378 has 8 divisors (see below), whose sum is σ = 6543372. Its totient is φ = 2066256.

The previous prime is 4247377. The next prime is 4247381. The reversal of 4247378 is 8737424.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 16129 = 2057^2 + 127^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4247371) 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, 28625 + ... + 28772.

Almost surely, 2^4247378 is an apocalyptic number.

4247378 is a deficient number, since it is larger than the sum of its proper divisors (2295994).

4247378 is a wasteful number, since it uses less digits than its factorization.

4247378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57436.

The product of its digits is 37632, while the sum is 35.

The square root of 4247378 is about 2060.9167862871. The cubic root of 4247378 is about 161.9472723793.

The spelling of 4247378 in words is "four million, two hundred forty-seven thousand, three hundred seventy-eight".