4238478 has 24 divisors (see below), whose sum is σ = 9297288. Its totient is φ = 1395312.

The previous prime is 4238459. The next prime is 4238513. The reversal of 4238478 is 8748324.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (387387).

Almost surely, 2^4238478 is an apocalyptic number.

4238478 is an abundant number, since it is smaller than the sum of its proper divisors (5058810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4238478 is a wasteful number, since it uses less digits than its factorization.

4238478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928 (or 2925 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 4238478 is about 2058.7564207550. The cubic root of 4238478 is about 161.8340779470.

The spelling of 4238478 in words is "four million, two hundred thirty-eight thousand, four hundred seventy-eight".