2381012 has 6 divisors (see below), whose sum is σ = 4166778. Its totient is φ = 1190504.

The previous prime is 2381011. The next prime is 2381033. The reversal of 2381012 is 2101832.

It can be written as a sum of positive squares in only one way, i.e., 1223236 + 1157776 = 1106^2 + 1076^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2381011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297623 + ... + 297630.

It is an arithmetic number, because the mean of its divisors is an integer number (694463).

2^2381012 is an apocalyptic number.

It is an amenable number.

2381012 is a deficient number, since it is larger than the sum of its proper divisors (1785766).

2381012 is a wasteful number, since it uses less digits than its factorization.

2381012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595257 (or 595255 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2381012 is about 1543.0528182794. The cubic root of 2381012 is about 133.5325660381.

Adding to 2381012 its reverse (2101832), we get a palindrome (4482844).

The spelling of 2381012 in words is "two million, three hundred eighty-one thousand, twelve".