1084215965 has 32 divisors (see below), whose sum is σ = 1522354176. Its totient is φ = 725886720.

The previous prime is 1084215959. The next prime is 1084215967. The reversal of 1084215965 is 5695124801.

It is not a de Polignac number, because 1084215965 - 2⁶ = 1084215901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084215967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 412355 + ... + 414975.

It is an arithmetic number, because the mean of its divisors is an integer number (47573568).

Almost surely, 2^1084215965 is an apocalyptic number.

It is an amenable number.

1084215965 is a deficient number, since it is larger than the sum of its proper divisors (438138211).

1084215965 is a wasteful number, since it uses less digits than its factorization.

1084215965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909.

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1084215965 is about 32927.4348378370. The cubic root of 1084215965 is about 1027.3188713861.

The spelling of 1084215965 in words is "one billion, eighty-four million, two hundred fifteen thousand, nine hundred sixty-five".