84406100 has 18 divisors (see below), whose sum is σ = 183161454. Its totient is φ = 33762400.

The previous prime is 84406099. The next prime is 84406123. The reversal of 84406100 is 160448.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 976144 + 83429956 = 988^2 + 9134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 421931 + ... + 422130.

Almost surely, 2^84406100 is an apocalyptic number.

It is an amenable number.

84406100 is an abundant number, since it is smaller than the sum of its proper divisors (98755354).

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

84406100 is a wasteful number, since it uses less digits than its factorization.

84406100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844075 (or 844068 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 84406100 is about 9187.2792490487. The cubic root of 84406100 is about 438.6565426763.

Adding to 84406100 its reverse (160448), we get a palindrome (84566548).

The spelling of 84406100 in words is "eighty-four million, four hundred six thousand, one hundred".