249403606 has 16 divisors (see below), whose sum is σ = 386681616. Its totient is φ = 120553056.

The previous prime is 249403591. The next prime is 249403607. The reversal of 249403606 is 606304942.

249403606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249403607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 885 + ... + 22351.

It is an arithmetic number, because the mean of its divisors is an integer number (24167601).

Almost surely, 2^249403606 is an apocalyptic number.

249403606 is a deficient number, since it is larger than the sum of its proper divisors (137278010).

249403606 is a wasteful number, since it uses less digits than its factorization.

249403606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21663.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 249403606 is about 15792.5174054044. The cubic root of 249403606 is about 629.4591865058.

The spelling of 249403606 in words is "two hundred forty-nine million, four hundred three thousand, six hundred six".