4231278 has 20 divisors (see below), whose sum is σ = 9481560. Its totient is φ = 1410372.

The previous prime is 4231277. The next prime is 4231291. The reversal of 4231278 is 8721324.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231277) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12898 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (474078).

Almost surely, 2^4231278 is an apocalyptic number.

4231278 is an abundant number, since it is smaller than the sum of its proper divisors (5250282).

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

4231278 is a wasteful number, since it uses less digits than its factorization.

4231278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26133 (or 26124 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 4231278 is about 2057.0070490886. The cubic root of 4231278 is about 161.7423889200.

The spelling of 4231278 in words is "four million, two hundred thirty-one thousand, two hundred seventy-eight".