10390506 has 16 divisors (see below), whose sum is σ = 23749824. Its totient is φ = 2968704.

The previous prime is 10390493. The next prime is 10390517. The reversal of 10390506 is 60509301.

It is a super-2 number, since 2×10390506² = 215925229872072, which contains 22 as substring.

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, 123655 + ... + 123738.

It is an arithmetic number, because the mean of its divisors is an integer number (1484364).

Almost surely, 2^10390506 is an apocalyptic number.

10390506 is an abundant number, since it is smaller than the sum of its proper divisors (13359318).

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

10390506 is a wasteful number, since it uses less digits than its factorization.

10390506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247405.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 10390506 is about 3223.4307810158. The cubic root of 10390506 is about 218.2121353389.

Adding to 10390506 its reverse (60509301), we get a palindrome (70899807).

It can be divided in two parts, 103 and 90506, that added together give a palindrome (90609).

The spelling of 10390506 in words is "ten million, three hundred ninety thousand, five hundred six".