4078238 has 4 divisors (see below), whose sum is σ = 6117360. Its totient is φ = 2039118.

The previous prime is 4078231. The next prime is 4078253. The reversal of 4078238 is 8328704.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4078231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019558 + ... + 1019561.

It is an arithmetic number, because the mean of its divisors is an integer number (1529340).

Almost surely, 2^4078238 is an apocalyptic number.

4078238 is a deficient number, since it is larger than the sum of its proper divisors (2039122).

4078238 is a wasteful number, since it uses less digits than its factorization.

4078238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039121.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 4078238 is about 2019.4647805793. The cubic root of 4078238 is about 159.7683888468.

The spelling of 4078238 in words is "four million, seventy-eight thousand, two hundred thirty-eight".