10190405 has 8 divisors (see below), whose sum is σ = 12257784. Its totient is φ = 8132800.

The previous prime is 10190381. The next prime is 10190419. The reversal of 10190405 is 50409101.

It can be written as a sum of positive squares in 4 ways, for example, as 1623076 + 8567329 = 1274^2 + 2927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10190405 - 2¹⁰ = 10189381 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 95 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (1532223).

Almost surely, 2^10190405 is an apocalyptic number.

It is an amenable number.

10190405 is a deficient number, since it is larger than the sum of its proper divisors (2067379).

10190405 is an equidigital number, since it uses as much as digits as its factorization.

10190405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10190405 is about 3192.2413755855. The cubic root of 10190405 is about 216.8022648897.

Adding to 10190405 its reverse (50409101), we get a palindrome (60599506).

The spelling of 10190405 in words is "ten million, one hundred ninety thousand, four hundred five".