2700864 has 70 divisors (see below), whose sum is σ = 8021574. Its totient is φ = 898560.

The previous prime is 2700853. The next prime is 2700881. The reversal of 2700864 is 4680072.

It can be written as a sum of positive squares in only one way, i.e., 2073600 + 627264 = 1440^2 + 792^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4924 + ... + 5444.

2^2700864 is an apocalyptic number.

2700864 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 2700864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4010787).

2700864 is an abundant number, since it is smaller than the sum of its proper divisors (5320710).

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

2700864 is an equidigital number, since it uses as much as digits as its factorization.

2700864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 526 counting only the distinct ones).

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

The square root of 2700864 is about 1643.4305583139. The cubic root of 2700864 is about 139.2625165086.

It can be divided in two parts, 27008 and 64, that added together give a palindrome (27072).

The spelling of 2700864 in words is "two million, seven hundred thousand, eight hundred sixty-four".