84649419 has 12 divisors (see below), whose sum is σ = 122980416. Its totient is φ = 56105712.

The previous prime is 84649399. The next prime is 84649421. The reversal of 84649419 is 91494648.

It is not a de Polignac number, because 84649419 - 2¹¹ = 84647371 is a prime.

It is a super-2 number, since 2×84649419² = 14331048274075122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84649429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25627 + ... + 28740.

It is an arithmetic number, because the mean of its divisors is an integer number (10248368).

Almost surely, 2^84649419 is an apocalyptic number.

84649419 is a deficient number, since it is larger than the sum of its proper divisors (38330997).

84649419 is a wasteful number, since it uses less digits than its factorization.

84649419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54546 (or 54543 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 84649419 is about 9200.5118879332. The cubic root of 84649419 is about 439.0776460262.

The spelling of 84649419 in words is "eighty-four million, six hundred forty-nine thousand, four hundred nineteen".