10643652 has 36 divisors (see below), whose sum is σ = 27076140. Its totient is φ = 3525312.

The previous prime is 10643639. The next prime is 10643653. The reversal of 10643652 is 25634601.

10643652 is a `hidden beast` number, since 1 + 0 + 6 + 4 + 3 + 652 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6081156 + 4562496 = 2466^2 + 2136^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10643652² = 226574655794208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10643653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5374 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (752115).

Almost surely, 2^10643652 is an apocalyptic number.

10643652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10643652 is an abundant number, since it is smaller than the sum of its proper divisors (16432488).

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

10643652 is a wasteful number, since it uses less digits than its factorization.

10643652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 10643652 is about 3262.4610342501. The cubic root of 10643652 is about 219.9700510196.

The spelling of 10643652 in words is "ten million, six hundred forty-three thousand, six hundred fifty-two".