393002249 has 2 divisors, whose sum is σ = 393002250. Its totient is φ = 393002248.

The previous prime is 393002231. The next prime is 393002263. The reversal of 393002249 is 942200393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390655225 + 2347024 = 19765^2 + 1532^2 .

It is a cyclic number.

It is not a de Polignac number, because 393002249 - 2⁸ = 393001993 is a prime.

It is a super-3 number, since 3×393002249³ (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (393002749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196501124 + 196501125.

It is an arithmetic number, because the mean of its divisors is an integer number (196501125).

Almost surely, 2^393002249 is an apocalyptic number.

It is an amenable number.

393002249 is a deficient number, since it is larger than the sum of its proper divisors (1).

393002249 is an equidigital number, since it uses as much as digits as its factorization.

393002249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 393002249 is about 19824.2843250393. The cubic root of 393002249 is about 732.4843417077.

The spelling of 393002249 in words is "three hundred ninety-three million, two thousand, two hundred forty-nine".