2709480 has 64 divisors (see below), whose sum is σ = 8274240. Its totient is φ = 709632.

The previous prime is 2709479. The next prime is 2709481. The reversal of 2709480 is 849072.

2709480 = T₁₉₉ + T₂₀₀ + ... + T₂₈₈.

It is an interprime number because it is at equal distance from previous prime (2709479) and next prime (2709481).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2709481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7872 + ... + 8208.

It is an arithmetic number, because the mean of its divisors is an integer number (129285).

2^2709480 is an apocalyptic number.

2709480 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 2709480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4137120).

2709480 is an abundant number, since it is smaller than the sum of its proper divisors (5564760).

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

2709480 is a wasteful number, since it uses less digits than its factorization.

2709480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2709480 is about 1646.0498169861. The cubic root of 2709480 is about 139.4104459840.

The spelling of 2709480 in words is "two million, seven hundred nine thousand, four hundred eighty".