4311378 has 12 divisors (see below), whose sum is σ = 9341358. Its totient is φ = 1437120.

The previous prime is 4311371. The next prime is 4311379. The reversal of 4311378 is 8731134.

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 1979649 = 1527^2 + 1407^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4311371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 119743 + ... + 119778.

Almost surely, 2^4311378 is an apocalyptic number.

4311378 is an abundant number, since it is smaller than the sum of its proper divisors (5029980).

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

4311378 is a wasteful number, since it uses less digits than its factorization.

4311378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239529 (or 239526 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 4311378 is about 2076.3858023017. The cubic root of 4311378 is about 162.7566343293.

The spelling of 4311378 in words is "four million, three hundred eleven thousand, three hundred seventy-eight".