283989249 has 6 divisors (see below), whose sum is σ = 410206706. Its totient is φ = 189326160.

The previous prime is 283989239. The next prime is 283989269. The reversal of 283989249 is 942989382.

It is a happy number.

283989249 is a `hidden beast` number, since 2 + 8 + 398 + 9 + 249 = 666.

It can be written as a sum of positive squares in only one way, i.e., 164480625 + 119508624 = 12825^2 + 10932^2 .

It is not a de Polignac number, because 283989249 - 2¹⁶ = 283923713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 283989195 and 283989204.

It is not an unprimeable number, because it can be changed into a prime (283989229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15777172 + ... + 15777189.

Almost surely, 2^283989249 is an apocalyptic number.

It is an amenable number.

283989249 is a deficient number, since it is larger than the sum of its proper divisors (126217457).

283989249 is a wasteful number, since it uses less digits than its factorization.

283989249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31554367 (or 31554364 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 283989249 is about 16851.9805660937. The cubic root of 283989249 is about 657.3055506955.

The spelling of 283989249 in words is "two hundred eighty-three million, nine hundred eighty-nine thousand, two hundred forty-nine".