390536482309 has 16 divisors (see below), whose sum is σ = 395981836992. Its totient is φ = 385109607168.

The previous prime is 390536482261. The next prime is 390536482321. The reversal of 390536482309 is 903284635093.

It is a cyclic number.

It is not a de Polignac number, because 390536482309 - 2⁷ = 390536482181 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 (390536482339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174579339 + ... + 174581575.

It is an arithmetic number, because the mean of its divisors is an integer number (24748864812).

Almost surely, 2^390536482309 is an apocalyptic number.

It is an amenable number.

390536482309 is a deficient number, since it is larger than the sum of its proper divisors (5445354683).

390536482309 is a wasteful number, since it uses less digits than its factorization.

390536482309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316.

The product of its (nonzero) digits is 4199040, while the sum is 52.

The spelling of 390536482309 in words is "three hundred ninety billion, five hundred thirty-six million, four hundred eighty-two thousand, three hundred nine".