393474414 has 16 divisors (see below), whose sum is σ = 787235328. Its totient is φ = 131110392.

The previous prime is 393474397. The next prime is 393474421. The reversal of 393474414 is 414474393.

It is a super-2 number, since 2×393474414² = 309644228945286792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8649 + ... + 29355.

It is an arithmetic number, because the mean of its divisors is an integer number (49202208).

Almost surely, 2^393474414 is an apocalyptic number.

393474414 is an abundant number, since it is smaller than the sum of its proper divisors (393760914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

393474414 is a wasteful number, since it uses less digits than its factorization.

393474414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23879.

The product of its digits is 145152, while the sum is 39.

The square root of 393474414 is about 19836.1895030270. The cubic root of 393474414 is about 732.7775673878. Note that the first 3 decimals are identical.

The spelling of 393474414 in words is "three hundred ninety-three million, four hundred seventy-four thousand, four hundred fourteen".