2729000 has 32 divisors (see below), whose sum is σ = 6388200. Its totient is φ = 1091200.

The previous prime is 2728997. The next prime is 2729003. The reversal of 2729000 is 9272.

It is an interprime number because it is at equal distance from previous prime (2728997) and next prime (2729003).

It can be written as a sum of positive squares in 4 ways, for example, as 1592644 + 1136356 = 1262^2 + 1066^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (2729003) 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, 365 + ... + 2364.

2^2729000 is an apocalyptic number.

2729000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2729000 is an abundant number, since it is smaller than the sum of its proper divisors (3659200).

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

2729000 is a wasteful number, since it uses less digits than its factorization.

2729000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750 (or 2736 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2729000 is about 1651.9685227025. The cubic root of 2729000 is about 139.7444317063.

The spelling of 2729000 in words is "two million, seven hundred twenty-nine thousand".