2429986 has 16 divisors (see below), whose sum is σ = 4132800. Its totient is φ = 1062288.

The previous prime is 2429983. The next prime is 2430007. The reversal of 2429986 is 6899242.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (2429983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (258300).

2^2429986 is an apocalyptic number.

2429986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2429986 is a deficient number, since it is larger than the sum of its proper divisors (1702814).

2429986 is a wasteful number, since it uses less digits than its factorization.

2429986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953.

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

The square root of 2429986 is about 1558.8412363034. The cubic root of 2429986 is about 134.4418842083.

The spelling of 2429986 in words is "two million, four hundred twenty-nine thousand, nine hundred eighty-six".