10646442 has 12 divisors (see below), whose sum is σ = 23067330. Its totient is φ = 3548808.

The previous prime is 10646431. The next prime is 10646443. The reversal of 10646442 is 24464601.

10646442 is a `hidden beast` number, since 10 + 6 + 4 + 644 + 2 = 666.

10646442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 12321 = 3261^2 + 111^2 .

It is a super-2 number, since 2×10646442² = 226693454518728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10646443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 295717 + ... + 295752.

Almost surely, 2^10646442 is an apocalyptic number.

10646442 is an abundant number, since it is smaller than the sum of its proper divisors (12420888).

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

10646442 is a wasteful number, since it uses less digits than its factorization.

10646442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591477 (or 591474 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 10646442 is about 3262.8885975467. Note that the first 3 decimals coincide. The cubic root of 10646442 is about 219.9892694491.

The spelling of 10646442 in words is "ten million, six hundred forty-six thousand, four hundred forty-two".