342381249 has 20 divisors (see below), whose sum is σ = 584524864. Its totient is φ = 195646104.

The previous prime is 342381233. The next prime is 342381253. The reversal of 342381249 is 942183243.

342381249 is a `hidden beast` number, since 34 + 2 + 381 + 249 = 666.

It is not a de Polignac number, because 342381249 - 2⁴ = 342381233 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342381209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 301357 + ... + 302490.

Almost surely, 2^342381249 is an apocalyptic number.

It is an amenable number.

342381249 is a deficient number, since it is larger than the sum of its proper divisors (242143615).

342381249 is an equidigital number, since it uses as much as digits as its factorization.

342381249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603866 (or 603857 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 342381249 is about 18503.5469302510. The cubic root of 342381249 is about 699.5788275944.

The spelling of 342381249 in words is "three hundred forty-two million, three hundred eighty-one thousand, two hundred forty-nine".