10000090 has 16 divisors (see below), whose sum is σ = 18066888. Its totient is φ = 3985216.

The previous prime is 10000079. The next prime is 10000103. The reversal of 10000090 is 9000001.

It is a happy number.

10000090 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 9928801 + 71289 = 3151^2 + 267^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

10000090 is a modest number, since divided by 90 gives 10 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224 + ... + 4636.

Almost surely, 2^10000090 is an apocalyptic number.

10000090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10000090 is a deficient number, since it is larger than the sum of its proper divisors (8066798).

10000090 is a wasteful number, since it uses less digits than its factorization.

10000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3713.

The product of its (nonzero) digits is 9, while the sum is 10.

The square root of 10000090 is about 3162.2918903858. The cubic root of 10000090 is about 215.4441153317. Note that the first 3 decimals are identical.

Adding to 10000090 its reverse (9000001), we get a palindrome (19000091).

It can be divided in two parts, 100000 and 90, that multiplied together give a square (9000000 = 3000²).

The spelling of 10000090 in words is "ten million, ninety", and thus it is an aban number and an uban number.