387241297 has 8 divisors (see below), whose sum is σ = 400012776. Its totient is φ = 374591232.

The previous prime is 387241279. The next prime is 387241301. The reversal of 387241297 is 792142783.

It can be written as a sum of positive squares in 4 ways, for example, as 315737361 + 71503936 = 17769^2 + 8456^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 387241297 - 2²³ = 378852689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387241207) 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, 23848 + ... + 36649.

It is an arithmetic number, because the mean of its divisors is an integer number (50001597).

Almost surely, 2^387241297 is an apocalyptic number.

387241297 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

387241297 is a deficient number, since it is larger than the sum of its proper divisors (12771479).

387241297 is a wasteful number, since it uses less digits than its factorization.

387241297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60707.

The product of its digits is 169344, while the sum is 43.

The square root of 387241297 is about 19678.4475251479. The cubic root of 387241297 is about 728.8875888800.

The spelling of 387241297 in words is "three hundred eighty-seven million, two hundred forty-one thousand, two hundred ninety-seven".