84100472 has 8 divisors (see below), whose sum is σ = 157688400. Its totient is φ = 42050232.

The previous prime is 84100439. The next prime is 84100481. The reversal of 84100472 is 27400148.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5256272 + ... + 5256287.

It is an arithmetic number, because the mean of its divisors is an integer number (19711050).

Almost surely, 2^84100472 is an apocalyptic number.

It is an amenable number.

84100472 is a deficient number, since it is larger than the sum of its proper divisors (73587928).

84100472 is a wasteful number, since it uses less digits than its factorization.

84100472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10512565 (or 10512561 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 84100472 is about 9170.6309488497. The cubic root of 84100472 is about 438.1264551509.

The spelling of 84100472 in words is "eighty-four million, one hundred thousand, four hundred seventy-two".