393077057 has 8 divisors (see below), whose sum is σ = 401241600. Its totient is φ = 384962704.

The previous prime is 393077053. The next prime is 393077071. The reversal of 393077057 is 750770393.

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 393077057 - 2² = 393077053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (393077051) 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, 3488 + ... + 28254.

It is an arithmetic number, because the mean of its divisors is an integer number (50155200).

Almost surely, 2^393077057 is an apocalyptic number.

It is an amenable number.

393077057 is a deficient number, since it is larger than the sum of its proper divisors (8164543).

393077057 is a wasteful number, since it uses less digits than its factorization.

393077057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25095.

The product of its (nonzero) digits is 138915, while the sum is 41.

The square root of 393077057 is about 19826.1710120739. The cubic root of 393077057 is about 732.5308149042.

It can be divided in two parts, 39307 and 7057, that added together give a palindrome (46364).

The spelling of 393077057 in words is "three hundred ninety-three million, seventy-seven thousand, fifty-seven".