2729380 has 24 divisors (see below), whose sum is σ = 5765760. Its totient is φ = 1085280.

The previous prime is 2729359. The next prime is 2729381. The reversal of 2729380 is 839272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4495 + ... + 5065.

It is an arithmetic number, because the mean of its divisors is an integer number (240240).

2^2729380 is an apocalyptic number.

2729380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729380 is an abundant number, since it is smaller than the sum of its proper divisors (3036380).

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

2729380 is a wasteful number, since it uses less digits than its factorization.

2729380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2729380 is about 1652.0835329970. The cubic root of 2729380 is about 139.7509176498.

The spelling of 2729380 in words is "two million, seven hundred twenty-nine thousand, three hundred eighty".