2671380 has 120 divisors (see below), whose sum is σ = 8964648. Its totient is φ = 663552.

The previous prime is 2671369. The next prime is 2671391. The reversal of 2671380 is 831762.

It is an interprime number because it is at equal distance from previous prime (2671369) and next prime (2671391).

It can be written as a sum of positive squares in 4 ways, for example, as 492804 + 2178576 = 702^2 + 1476^2 .

It is a super-2 number, since 2×2671380² = 14272542208800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27492 + ... + 27588.

2^2671380 is an apocalyptic number.

2671380 is a gapful number since it is divisible by the number (20) 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 2671380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4482324).

2671380 is an abundant number, since it is smaller than the sum of its proper divisors (6293268).

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

2671380 is a wasteful number, since it uses less digits than its factorization.

2671380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2671380 is about 1634.4356824299. The cubic root of 2671380 is about 138.7539078520.

The spelling of 2671380 in words is "two million, six hundred seventy-one thousand, three hundred eighty".