10189090 has 16 divisors (see below), whose sum is σ = 18423288. Its totient is φ = 4057216.

The previous prime is 10189079. The next prime is 10189099. The reversal of 10189090 is 9098101.

10189090 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 7080921 + 3108169 = 2661^2 + 1763^2 .

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 (10189099) 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, 144 + ... + 4516.

Almost surely, 2^10189090 is an apocalyptic number.

10189090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10189090 is a deficient number, since it is larger than the sum of its proper divisors (8234198).

10189090 is a wasteful number, since it uses less digits than its factorization.

10189090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613.

The product of its (nonzero) digits is 648, while the sum is 28.

The square root of 10189090 is about 3192.0354008062. The cubic root of 10189090 is about 216.7929388867.

The spelling of 10189090 in words is "ten million, one hundred eighty-nine thousand, ninety".