393468077 has 8 divisors (see below), whose sum is σ = 416920896. Its totient is φ = 370049472.

The previous prime is 393468073. The next prime is 393468121. The reversal of 393468077 is 770864393.

It is a happy number.

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

It is not a de Polignac number, because 393468077 - 2² = 393468073 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 (393468071) 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, 17408 + ... + 33014.

It is an arithmetic number, because the mean of its divisors is an integer number (52115112).

Almost surely, 2^393468077 is an apocalyptic number.

It is an amenable number.

393468077 is a deficient number, since it is larger than the sum of its proper divisors (23452819).

393468077 is a wasteful number, since it uses less digits than its factorization.

393468077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17107.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 393468077 is about 19836.0297690843. The cubic root of 393468077 is about 732.7736335138.

The spelling of 393468077 in words is "three hundred ninety-three million, four hundred sixty-eight thousand, seventy-seven".