10506646 has 8 divisors (see below), whose sum is σ = 16687080. Its totient is φ = 4944288.

The previous prime is 10506641. The next prime is 10506659. The reversal of 10506646 is 64660501.

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

It is a super-2 number, since 2×10506646² = 220779220338632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10506641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154476 + ... + 154543.

It is an arithmetic number, because the mean of its divisors is an integer number (2085885).

Almost surely, 2^10506646 is an apocalyptic number.

10506646 is a deficient number, since it is larger than the sum of its proper divisors (6180434).

10506646 is a wasteful number, since it uses less digits than its factorization.

10506646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309038.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 10506646 is about 3241.3956870459. The cubic root of 10506646 is about 219.0221477014.

It can be divided in two parts, 10506 and 646, that multiplied together give a palindrome (6786876).

The spelling of 10506646 in words is "ten million, five hundred six thousand, six hundred forty-six".