84342865 has 8 divisors (see below), whose sum is σ = 107165160. Its totient is φ = 63505152.

The previous prime is 84342833. The next prime is 84342877. The reversal of 84342865 is 56824348.

It can be written as a sum of positive squares in 4 ways, for example, as 2331729 + 82011136 = 1527^2 + 9056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84342865 - 2⁵ = 84342833 is a prime.

It is a super-2 number, since 2×84342865² = 14227437752816450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496050 + ... + 496219.

It is an arithmetic number, because the mean of its divisors is an integer number (13395645).

Almost surely, 2^84342865 is an apocalyptic number.

84342865 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

84342865 is a deficient number, since it is larger than the sum of its proper divisors (22822295).

84342865 is a wasteful number, since it uses less digits than its factorization.

84342865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992291.

The product of its digits is 184320, while the sum is 40.

The square root of 84342865 is about 9183.8371610128. The cubic root of 84342865 is about 438.5469716999.

The spelling of 84342865 in words is "eighty-four million, three hundred forty-two thousand, eight hundred sixty-five".