10405290 has 32 divisors (see below), whose sum is σ = 28540800. Its totient is φ = 2378304.

The previous prime is 10405289. The next prime is 10405321. The reversal of 10405290 is 9250401.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 24565 + ... + 24984.

It is an arithmetic number, because the mean of its divisors is an integer number (891900).

Almost surely, 2^10405290 is an apocalyptic number.

10405290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10405290 is an abundant number, since it is smaller than the sum of its proper divisors (18135510).

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

10405290 is a wasteful number, since it uses less digits than its factorization.

10405290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49566.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10405290 is about 3225.7231747315. The cubic root of 10405290 is about 218.3155797515.

Adding to 10405290 its reverse (9250401), we get a palindrome (19655691).

The spelling of 10405290 in words is "ten million, four hundred five thousand, two hundred ninety".