249746632 has 16 divisors (see below), whose sum is σ = 470704140. Its totient is φ = 124225536.

The previous prime is 249746599. The next prime is 249746647. The reversal of 249746632 is 236647942.

249746632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 221592996 + 28153636 = 14886^2 + 5306^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79333 + ... + 82420.

Almost surely, 2^249746632 is an apocalyptic number.

It is an amenable number.

249746632 is a deficient number, since it is larger than the sum of its proper divisors (220957508).

249746632 is a wasteful number, since it uses less digits than its factorization.

249746632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161952 (or 161948 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The square root of 249746632 is about 15803.3740701155. The cubic root of 249746632 is about 629.7476372283.

The spelling of 249746632 in words is "two hundred forty-nine million, seven hundred forty-six thousand, six hundred thirty-two".