10509946 has 8 divisors (see below), whose sum is σ = 15852564. Its totient is φ = 5225760.

The previous prime is 10509943. The next prime is 10509949. The reversal of 10509946 is 64990501.

10509946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10509943) and next prime (10509949).

It can be written as a sum of positive squares in 2 ways, for example, as 8791225 + 1718721 = 2965^2 + 1311^2 .

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

It is a super-2 number, since 2×10509946² = 220917929845832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10509943) 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, 14155 + ... + 14878.

Almost surely, 2^10509946 is an apocalyptic number.

10509946 is a deficient number, since it is larger than the sum of its proper divisors (5342618).

10509946 is a wasteful number, since it uses less digits than its factorization.

10509946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29216.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 10509946 is about 3241.9046870628. The cubic root of 10509946 is about 219.0450759644.

The spelling of 10509946 in words is "ten million, five hundred nine thousand, nine hundred forty-six".