84269140 has 12 divisors (see below), whose sum is σ = 176965236. Its totient is φ = 33707648.

The previous prime is 84269131. The next prime is 84269149. The reversal of 84269140 is 4196248.

It is an interprime number because it is at equal distance from previous prime (84269131) and next prime (84269149).

It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 34904464 = 7026^2 + 5908^2 .

It is a junction number, because it is equal to n+sod(n) for n = 84269096 and 84269105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84269149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106709 + ... + 2106748.

It is an arithmetic number, because the mean of its divisors is an integer number (14747103).

Almost surely, 2^84269140 is an apocalyptic number.

It is an amenable number.

84269140 is an abundant number, since it is smaller than the sum of its proper divisors (92696096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84269140 is a wasteful number, since it uses less digits than its factorization.

84269140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213466 (or 4213464 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 84269140 is about 9179.8224383699. The cubic root of 84269140 is about 438.4191549186.

The spelling of 84269140 in words is "eighty-four million, two hundred sixty-nine thousand, one hundred forty".