393464 has 16 divisors (see below), whose sum is σ = 745200. Its totient is φ = 194752.

The previous prime is 393451. The next prime is 393473. The reversal of 393464 is 464393.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917 + ... + 1275.

It is an arithmetic number, because the mean of its divisors is an integer number (46575).

2³⁹³⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

393464 is a deficient number, since it is larger than the sum of its proper divisors (351736).

393464 is a wasteful number, since it uses less digits than its factorization.

393464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 498 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 393464 is about 627.2670882487. The cubic root of 393464 is about 73.2771102577.

The spelling of 393464 in words is "three hundred ninety-three thousand, four hundred sixty-four".