2070864 has 60 divisors (see below), whose sum is σ = 5904756. Its totient is φ = 677376.

The previous prime is 2070863. The next prime is 2070877. The reversal of 2070864 is 4680702.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 360000 = 1308^2 + 600^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2070863) 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 11 ways as a sum of consecutive naturals, for example, 10414 + ... + 10610.

2^2070864 is an apocalyptic number.

2070864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2070864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952378).

2070864 is an abundant number, since it is smaller than the sum of its proper divisors (3833892).

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

2070864 is a wasteful number, since it uses less digits than its factorization.

2070864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2070864 is about 1439.0496864250. The cubic root of 2070864 is about 127.4629188591.

The spelling of 2070864 in words is "two million, seventy thousand, eight hundred sixty-four".