2428178 has 12 divisors (see below), whose sum is σ = 3870042. Its totient is φ = 1142400.

The previous prime is 2428171. The next prime is 2428189. The reversal of 2428178 is 8718242.

It can be written as a sum of positive squares in 3 ways, for example, as 2111209 + 316969 = 1453^2 + 563^2 .

It is not an unprimeable number, because it can be changed into a prime (2428171) 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, 1523 + ... + 2678.

2^2428178 is an apocalyptic number.

2428178 is a deficient number, since it is larger than the sum of its proper divisors (1441864).

2428178 is a wasteful number, since it uses less digits than its factorization.

2428178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4220 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2428178 is about 1558.2612104522. The cubic root of 2428178 is about 134.4085326806.

Subtracting 2428178 from its reverse (8718242), we obtain a square (6290064 = 2508²).

The spelling of 2428178 in words is "two million, four hundred twenty-eight thousand, one hundred seventy-eight".