2429649 has 24 divisors (see below), whose sum is σ = 3762720. Its totient is φ = 1549296.

The previous prime is 2429633. The next prime is 2429653. The reversal of 2429649 is 9469242.

2429649 is a `hidden beast` number, since 2 + 4 + 2 + 9 + 649 = 666.

It is not a de Polignac number, because 2429649 - 2⁴ = 2429633 is a prime.

2429649 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2421649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22654 + ... + 22760.

It is an arithmetic number, because the mean of its divisors is an integer number (156780).

2^2429649 is an apocalyptic number.

2429649 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2429649 is a deficient number, since it is larger than the sum of its proper divisors (1333071).

2429649 is a wasteful number, since it uses less digits than its factorization.

2429649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174 (or 139 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 2429649 is about 1558.7331394437. The cubic root of 2429649 is about 134.4356689448.

The spelling of 2429649 in words is "two million, four hundred twenty-nine thousand, six hundred forty-nine".