84096621 has 24 divisors (see below), whose sum is σ = 139161984. Its totient is φ = 47939040.

The previous prime is 84096619. The next prime is 84096631. The reversal of 84096621 is 12669048.

It is not a de Polignac number, because 84096621 - 2¹ = 84096619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84096601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29311 + ... + 32051.

It is an arithmetic number, because the mean of its divisors is an integer number (5798416).

Almost surely, 2^84096621 is an apocalyptic number.

It is an amenable number.

84096621 is a deficient number, since it is larger than the sum of its proper divisors (55065363).

84096621 is a wasteful number, since it uses less digits than its factorization.

84096621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241 (or 3238 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 84096621 is about 9170.4209827030. The cubic root of 84096621 is about 438.1197677103.

It can be divided in two parts, 840 and 96621, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 84096621 in words is "eighty-four million, ninety-six thousand, six hundred twenty-one".