390857483 has 4 divisors (see below), whose sum is σ = 391559760. Its totient is φ = 390155208.

The previous prime is 390857471. The next prime is 390857491. The reversal of 390857483 is 384758093.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390857483 is a prime.

It is a super-3 number, since 3×390857483³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390857413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350303 + ... + 351416.

It is an arithmetic number, because the mean of its divisors is an integer number (97889940).

Almost surely, 2^390857483 is an apocalyptic number.

390857483 is a deficient number, since it is larger than the sum of its proper divisors (702277).

390857483 is an equidigital number, since it uses as much as digits as its factorization.

390857483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702276.

The product of its (nonzero) digits is 725760, while the sum is 47.

The square root of 390857483 is about 19770.1159076016. The cubic root of 390857483 is about 731.1494264681.

The spelling of 390857483 in words is "three hundred ninety million, eight hundred fifty-seven thousand, four hundred eighty-three".