84531069 has 24 divisors (see below), whose sum is σ = 139793472. Its totient is φ = 48216960.

The previous prime is 84531067. The next prime is 84531091. The reversal of 84531069 is 96013548.

It is not a de Polignac number, because 84531069 - 2¹ = 84531067 is a prime.

It is a super-2 number, since 2×84531069² = 14291003252565522, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84531067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54742 + ... + 56264.

It is an arithmetic number, because the mean of its divisors is an integer number (5824728).

Almost surely, 2^84531069 is an apocalyptic number.

It is an amenable number.

84531069 is a deficient number, since it is larger than the sum of its proper divisors (55262403).

84531069 is a wasteful number, since it uses less digits than its factorization.

84531069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2417 (or 2414 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 84531069 is about 9194.0779309292. The cubic root of 84531069 is about 438.8729229203.

The spelling of 84531069 in words is "eighty-four million, five hundred thirty-one thousand, sixty-nine".