84988215 has 48 divisors (see below), whose sum is σ = 159999840. Its totient is φ = 41483520.

The previous prime is 84988213. The next prime is 84988229. The reversal of 84988215 is 51288948.

It is a happy number.

It is not a de Polignac number, because 84988215 - 2¹ = 84988213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84988213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76081 + ... + 77189.

It is an arithmetic number, because the mean of its divisors is an integer number (3333330).

Almost surely, 2^84988215 is an apocalyptic number.

84988215 is a deficient number, since it is larger than the sum of its proper divisors (75011625).

84988215 is a wasteful number, since it uses less digits than its factorization.

84988215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264 (or 1261 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 84988215 is about 9218.9053037766. The cubic root of 84988215 is about 439.6626460266.

The spelling of 84988215 in words is "eighty-four million, nine hundred eighty-eight thousand, two hundred fifteen".