10404642 has 16 divisors (see below), whose sum is σ = 21202560. Its totient is φ = 3402672.

The previous prime is 10404619. The next prime is 10404643. The reversal of 10404642 is 24640401.

It is not an unprimeable number, because it can be changed into a prime (10404643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16042 + ... + 16677.

It is an arithmetic number, because the mean of its divisors is an integer number (1325160).

Almost surely, 2^10404642 is an apocalyptic number.

10404642 is an abundant number, since it is smaller than the sum of its proper divisors (10797918).

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

10404642 is a wasteful number, since it uses less digits than its factorization.

10404642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32777.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 10404642 is about 3225.6227305747. The cubic root of 10404642 is about 218.3110477160.

The spelling of 10404642 in words is "ten million, four hundred four thousand, six hundred forty-two".