100442684 has 6 divisors (see below), whose sum is σ = 175774704. Its totient is φ = 50221340.

The previous prime is 100442677. The next prime is 100442687. The reversal of 100442684 is 486244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100442687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12555332 + ... + 12555339.

It is an arithmetic number, because the mean of its divisors is an integer number (29295784).

Almost surely, 2^100442684 is an apocalyptic number.

It is an amenable number.

100442684 is a deficient number, since it is larger than the sum of its proper divisors (75332020).

100442684 is a wasteful number, since it uses less digits than its factorization.

100442684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25110675 (or 25110673 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 100442684 is about 10022.1097579302. The cubic root of 100442684 is about 464.8427942010.

Adding to 100442684 its reverse (486244001), we get a palindrome (586686685).

The spelling of 100442684 in words is "one hundred million, four hundred forty-two thousand, six hundred eighty-four".