10490405 has 4 divisors (see below), whose sum is σ = 12588492. Its totient is φ = 8392320.

The previous prime is 10490401. The next prime is 10490419. The reversal of 10490405 is 50409401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6385729 + 4104676 = 2527^2 + 2026^2 .

It is not a de Polignac number, because 10490405 - 2² = 10490401 is a prime.

It is a super-2 number, since 2×10490405² = 220097194128050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10490401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1049036 + ... + 1049045.

It is an arithmetic number, because the mean of its divisors is an integer number (3147123).

Almost surely, 2^10490405 is an apocalyptic number.

It is an amenable number.

10490405 is a deficient number, since it is larger than the sum of its proper divisors (2098087).

10490405 is an equidigital number, since it uses as much as digits as its factorization.

10490405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098086.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10490405 is about 3238.8894701734. The cubic root of 10490405 is about 218.9092358951.

Adding to 10490405 its reverse (50409401), we get a palindrome (60899806).

It can be divided in two parts, 104 and 90405, that added together give a palindrome (90509).

The spelling of 10490405 in words is "ten million, four hundred ninety thousand, four hundred five".