2829940 has 12 divisors (see below), whose sum is σ = 5942916. Its totient is φ = 1131968.

The previous prime is 2829923. The next prime is 2829949. The reversal of 2829940 is 499282.

It can be written as a sum of positive squares in 2 ways, for example, as 2196324 + 633616 = 1482^2 + 796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2829896 and 2829905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2829949) 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, 70729 + ... + 70768.

It is an arithmetic number, because the mean of its divisors is an integer number (495243).

2^2829940 is an apocalyptic number.

2829940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2829940 is an abundant number, since it is smaller than the sum of its proper divisors (3112976).

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

2829940 is a wasteful number, since it uses less digits than its factorization.

2829940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141506 (or 141504 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 2829940 is about 1682.2425508826. The cubic root of 2829940 is about 141.4465663306.

The spelling of 2829940 in words is "two million, eight hundred twenty-nine thousand, nine hundred forty".