249009106 has 8 divisors (see below), whose sum is σ = 378241920. Its totient is φ = 122928468.

The previous prime is 249009097. The next prime is 249009139. The reversal of 249009106 is 601900942.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 787846 + ... + 788161.

It is an arithmetic number, because the mean of its divisors is an integer number (47280240).

Almost surely, 2^249009106 is an apocalyptic number.

249009106 is a deficient number, since it is larger than the sum of its proper divisors (129232814).

249009106 is a wasteful number, since it uses less digits than its factorization.

249009106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576088.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 249009106 is about 15780.0223700729. The cubic root of 249009106 is about 629.1271240873.

The spelling of 249009106 in words is "two hundred forty-nine million, nine thousand, one hundred six".