393242767 has 8 divisors (see below), whose sum is σ = 405406512. Its totient is φ = 381201600.

The previous prime is 393242741. The next prime is 393242777. The reversal of 393242767 is 767242393.

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

It is a de Polignac number, because none of the positive numbers 2^k-393242767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393242777) 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, 24109 + ... + 36982.

It is an arithmetic number, because the mean of its divisors is an integer number (50675814).

Almost surely, 2^393242767 is an apocalyptic number.

393242767 is a deficient number, since it is larger than the sum of its proper divisors (12163745).

393242767 is a wasteful number, since it uses less digits than its factorization.

393242767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61289.

The product of its digits is 381024, while the sum is 43.

The square root of 393242767 is about 19830.3496439170. The cubic root of 393242767 is about 732.6337384280.

The spelling of 393242767 in words is "three hundred ninety-three million, two hundred forty-two thousand, seven hundred sixty-seven".