2429947 has 16 divisors (see below), whose sum is σ = 2765952. Its totient is φ = 2119680.

The previous prime is 2429941. The next prime is 2429953. The reversal of 2429947 is 7499242.

It is an interprime number because it is at equal distance from previous prime (2429941) and next prime (2429953).

It is a cyclic number.

It is not a de Polignac number, because 2429947 - 2¹¹ = 2427899 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁹ + 2¹⁹ + 9⁵ + 9⁶ + 4¹⁰ + 7⁴ .

It is a Duffinian number.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2429941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25003 + ... + 25099.

It is an arithmetic number, because the mean of its divisors is an integer number (172872).

2^2429947 is an apocalyptic number.

2429947 is a deficient number, since it is larger than the sum of its proper divisors (336005).

2429947 is a wasteful number, since it uses less digits than its factorization.

2429947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its digits is 36288, while the sum is 37.

The square root of 2429947 is about 1558.8287269614. The cubic root of 2429947 is about 134.4411649639.

Subtracting from 2429947 its sum of digits (37), we obtain a triangular number (2429910 = T₂₂₀₄).

The spelling of 2429947 in words is "two million, four hundred twenty-nine thousand, nine hundred forty-seven".