84146913 has 6 divisors (see below), whose sum is σ = 121545554. Its totient is φ = 56097936.

The previous prime is 84146911. The next prime is 84146947. The reversal of 84146913 is 31964148.

It can be written as a sum of positive squares in only one way, i.e., 47568609 + 36578304 = 6897^2 + 6048^2 .

It is not a de Polignac number, because 84146913 - 2¹ = 84146911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84146911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4674820 + ... + 4674837.

Almost surely, 2^84146913 is an apocalyptic number.

It is an amenable number.

84146913 is a deficient number, since it is larger than the sum of its proper divisors (37398641).

84146913 is a wasteful number, since it uses less digits than its factorization.

84146913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349663 (or 9349660 counting only the distinct ones).

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

The square root of 84146913 is about 9173.1626498171. The cubic root of 84146913 is about 438.2070860364.

The spelling of 84146913 in words is "eighty-four million, one hundred forty-six thousand, nine hundred thirteen".