2649829 has 16 divisors (see below), whose sum is σ = 3353728. Its totient is φ = 2037312.

The previous prime is 2649821. The next prime is 2649851. The reversal of 2649829 is 9289462.

2649829 is nontrivially palindromic in base 9.

2649829 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2649829 - 2³ = 2649821 is a prime.

2649829 is strictly pandigital in base 8.

2649829 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2649791 and 2649800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2974 + ... + 3760.

It is an arithmetic number, because the mean of its divisors is an integer number (209608).

2^2649829 is an apocalyptic number.

It is an amenable number.

2649829 is a deficient number, since it is larger than the sum of its proper divisors (703899).

2649829 is a wasteful number, since it uses less digits than its factorization.

2649829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844.

The product of its digits is 62208, while the sum is 40.

The square root of 2649829 is about 1627.8295365302. The cubic root of 2649829 is about 138.3797737658.

The spelling of 2649829 in words is "two million, six hundred forty-nine thousand, eight hundred twenty-nine".