2729026 has 8 divisors (see below), whose sum is σ = 4106700. Its totient is φ = 1360128.

The previous prime is 2729017. The next prime is 2729029. The reversal of 2729026 is 6209272.

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 172225 = 1599^2 + 415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2728985 and 2729003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1351 + ... + 2698.

2^2729026 is an apocalyptic number.

2729026 is a deficient number, since it is larger than the sum of its proper divisors (1377674).

2729026 is a wasteful number, since it uses less digits than its factorization.

2729026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4388.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 2729026 is about 1651.9763920831. The cubic root of 2729026 is about 139.7448755005.

It can be divided in two parts, 2 and 729026, that added together give a triangular number (729028 = T₁₂₀₇).

The spelling of 2729026 in words is "two million, seven hundred twenty-nine thousand, twenty-six".