2381386 has 8 divisors (see below), whose sum is σ = 4082400. Its totient is φ = 1020588.

The previous prime is 2381363. The next prime is 2381387. The reversal of 2381386 is 6831832.

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

2381386 is a modest number, since divided by 1386 gives 238 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2381387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85036 + ... + 85063.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

2^2381386 is an apocalyptic number.

2381386 is a deficient number, since it is larger than the sum of its proper divisors (1701014).

2381386 is a wasteful number, since it uses less digits than its factorization.

2381386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170108.

The product of its digits is 6912, while the sum is 31.

The square root of 2381386 is about 1543.1740018546. The cubic root of 2381386 is about 133.5395572621.

It can be divided in two parts, 238138 and 6, that added together give a square (238144 = 488²).

The spelling of 2381386 in words is "two million, three hundred eighty-one thousand, three hundred eighty-six".