10643546 has 8 divisors (see below), whose sum is σ = 16184244. Its totient is φ = 5248800.

The previous prime is 10643543. The next prime is 10643557. The reversal of 10643546 is 64534601.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8850625 + 1792921 = 2975^2 + 1339^2 .

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

It is a super-2 number, since 2×10643546² = 226570142908232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643543) 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, 36305 + ... + 36596.

Almost surely, 2^10643546 is an apocalyptic number.

10643546 is a deficient number, since it is larger than the sum of its proper divisors (5540698).

10643546 is an equidigital number, since it uses as much as digits as its factorization.

10643546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72976.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 10643546 is about 3262.4447888049. Note that the first 3 decimals coincide. The cubic root of 10643546 is about 219.9693207908.

The spelling of 10643546 in words is "ten million, six hundred forty-three thousand, five hundred forty-six".