393249483 has 24 divisors (see below), whose sum is σ = 641038320. Its totient is φ = 230112960.

The previous prime is 393249473. The next prime is 393249499. The reversal of 393249483 is 384942393.

It is not a de Polignac number, because 393249483 - 2⁹ = 393248971 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (393249473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65616 + ... + 71357.

It is an arithmetic number, because the mean of its divisors is an integer number (26709930).

Almost surely, 2^393249483 is an apocalyptic number.

393249483 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

393249483 is a deficient number, since it is larger than the sum of its proper divisors (247788837).

393249483 is a wasteful number, since it uses less digits than its factorization.

393249483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137019 (or 137016 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 393249483 is about 19830.5189795930. The cubic root of 393249483 is about 732.6379091681.

The spelling of 393249483 in words is "three hundred ninety-three million, two hundred forty-nine thousand, four hundred eighty-three".