10404090 has 24 divisors (see below), whose sum is σ = 27050868. Its totient is φ = 2774400.

The previous prime is 10404049. The next prime is 10404103. The reversal of 10404090 is 9040401.

It can be written as a sum of positive squares in 2 ways, for example, as 9381969 + 1022121 = 3063^2 + 1011^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57711 + ... + 57890.

Almost surely, 2^10404090 is an apocalyptic number.

10404090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10404090 is an abundant number, since it is smaller than the sum of its proper divisors (16646778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10404090 is a wasteful number, since it uses less digits than its factorization.

10404090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115614 (or 115611 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10404090 is about 3225.5371645665. The cubic root of 10404090 is about 218.3071869447.

Adding to 10404090 its reverse (9040401), we get a palindrome (19444491).

It can be divided in two parts, 104040 and 90, that multiplied together give a square (9363600 = 3060²).

The spelling of 10404090 in words is "ten million, four hundred four thousand, ninety".