249690106 has 16 divisors (see below), whose sum is σ = 380835360. Its totient is φ = 122752080.

The previous prime is 249690071. The next prime is 249690107. The reversal of 249690106 is 601096942.

It is not an unprimeable number, because it can be changed into a prime (249690107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87165 + ... + 89983.

It is an arithmetic number, because the mean of its divisors is an integer number (23802210).

Almost surely, 2^249690106 is an apocalyptic number.

249690106 is a deficient number, since it is larger than the sum of its proper divisors (131145254).

249690106 is a wasteful number, since it uses less digits than its factorization.

249690106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 249690106 is about 15801.5855533551. The cubic root of 249690106 is about 629.7001226724.

The spelling of 249690106 in words is "two hundred forty-nine million, six hundred ninety thousand, one hundred six".