2381608 has 32 divisors (see below), whose sum is σ = 4694760. Its totient is φ = 1131520.

The previous prime is 2381591. The next prime is 2381609. The reversal of 2381608 is 8061832.

It can be written as a sum of positive squares in 4 ways, for example, as 1800964 + 580644 = 1342^2 + 762^2 .

It is not an unprimeable number, because it can be changed into a prime (2381609) 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, 17316 + ... + 17452.

2^2381608 is an apocalyptic number.

It is an amenable number.

2381608 is a deficient number, since it is larger than the sum of its proper divisors (2313152).

2381608 is a wasteful number, since it uses less digits than its factorization.

2381608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2381608 is about 1543.2459298505. The cubic root of 2381608 is about 133.5437067869.

The spelling of 2381608 in words is "two million, three hundred eighty-one thousand, six hundred eight".