84211465 has 8 divisors (see below), whose sum is σ = 108827208. Its totient is φ = 62186880.

The previous prime is 84211459. The next prime is 84211471. The reversal of 84211465 is 56411248.

It is an interprime number because it is at equal distance from previous prime (84211459) and next prime (84211471).

It can be written as a sum of positive squares in 4 ways, for example, as 3732624 + 80478841 = 1932^2 + 8971^2 .

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

It is not a de Polignac number, because 84211465 - 2⁹ = 84210953 is a prime.

It is a Duffinian number.

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, 647716 + ... + 647845.

It is an arithmetic number, because the mean of its divisors is an integer number (13603401).

Almost surely, 2^84211465 is an apocalyptic number.

It is an amenable number.

84211465 is a deficient number, since it is larger than the sum of its proper divisors (24615743).

84211465 is a wasteful number, since it uses less digits than its factorization.

84211465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295579.

The product of its digits is 7680, while the sum is 31.

The square root of 84211465 is about 9176.6805000501. The cubic root of 84211465 is about 438.3191119862.

The spelling of 84211465 in words is "eighty-four million, two hundred eleven thousand, four hundred sixty-five".