2739870 has 48 divisors (see below), whose sum is σ = 8143200. Its totient is φ = 626112.

The previous prime is 2739859. The next prime is 2739871. The reversal of 2739870 is 789372.

It is a d-powerful number, because it can be written as 2¹⁹ + 7² + 3 + 9³ + 8⁷ + 7⁶ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545 + ... + 2804.

It is an arithmetic number, because the mean of its divisors is an integer number (169650).

2^2739870 is an apocalyptic number.

2739870 is an abundant number, since it is smaller than the sum of its proper divisors (5403330).

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

2739870 is a wasteful number, since it uses less digits than its factorization.

2739870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 2739870 is about 1655.2552673228. The cubic root of 2739870 is about 139.9297266368.

The spelling of 2739870 in words is "two million, seven hundred thirty-nine thousand, eight hundred seventy".