2378231 has 8 divisors (see below), whose sum is σ = 2442960. Its totient is φ = 2314432.

The previous prime is 2378221. The next prime is 2378237. The reversal of 2378231 is 1328732.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2378231 is a prime.

It is a super-2 number, since 2×2378231² = 11311965378722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2378231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2378237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10091 + ... + 10323.

It is an arithmetic number, because the mean of its divisors is an integer number (305370).

2^2378231 is an apocalyptic number.

2378231 is a deficient number, since it is larger than the sum of its proper divisors (64729).

2378231 is a wasteful number, since it uses less digits than its factorization.

2378231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its digits is 2016, while the sum is 26.

The square root of 2378231 is about 1542.1514192841. The cubic root of 2378231 is about 133.4805575169.

The spelling of 2378231 in words is "two million, three hundred seventy-eight thousand, two hundred thirty-one".