10381090 has 16 divisors (see below), whose sum is σ = 19191672. Its totient is φ = 4040064.

The previous prime is 10381081. The next prime is 10381093. The reversal of 10381090 is 9018301.

10381090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9903609 + 477481 = 3147^2 + 691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10381093) 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, 13659 + ... + 14398.

Almost surely, 2^10381090 is an apocalyptic number.

10381090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10381090 is a deficient number, since it is larger than the sum of its proper divisors (8810582).

10381090 is a wasteful number, since it uses less digits than its factorization.

10381090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28101.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 10381090 is about 3221.9698943348. The cubic root of 10381090 is about 218.1461999411.

Adding to 10381090 its reverse (9018301), we get a palindrome (19399391).

The spelling of 10381090 in words is "ten million, three hundred eighty-one thousand, ninety".