2829720 has 32 divisors (see below), whose sum is σ = 8489520. Its totient is φ = 754560.

The previous prime is 2829709. The next prime is 2829737. The reversal of 2829720 is 279282.

2829720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11671 + ... + 11910.

2^2829720 is an apocalyptic number.

2829720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2829720 is an abundant number, since it is smaller than the sum of its proper divisors (5659800).

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

2829720 is a wasteful number, since it uses less digits than its factorization.

2829720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23595 (or 23591 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2829720 is about 1682.1771607057. The cubic root of 2829720 is about 141.4429008759.

The spelling of 2829720 in words is "two million, eight hundred twenty-nine thousand, seven hundred twenty".