2739690 has 64 divisors (see below), whose sum is σ = 7459200. Its totient is φ = 715392.

The previous prime is 2739683. The next prime is 2739701. The reversal of 2739690 is 969372.

It is a super-2 number, since 2×2739690² = 15011802592200, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 19641 + ... + 19779.

It is an arithmetic number, because the mean of its divisors is an integer number (116550).

2^2739690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2739690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3729600).

2739690 is an abundant number, since it is smaller than the sum of its proper divisors (4719510).

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

2739690 is a wasteful number, since it uses less digits than its factorization.

2739690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 2739690 is about 1655.2008941515. The cubic root of 2739690 is about 139.9266622697.

The spelling of 2739690 in words is "two million, seven hundred thirty-nine thousand, six hundred ninety".