390950910389 has 8 divisors (see below), whose sum is σ = 421044617952. Its totient is φ = 360860140080.

The previous prime is 390950910373. The next prime is 390950910397. The reversal of 390950910389 is 983019059093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390950910389 - 2⁴ = 390950910373 is a prime.

It is a super-2 number, since 2×390950910389² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390950912389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453899 + ... + 993944.

It is an arithmetic number, because the mean of its divisors is an integer number (52630577244).

Almost surely, 2^390950910389 is an apocalyptic number.

It is an amenable number.

390950910389 is a deficient number, since it is larger than the sum of its proper divisors (30093707563).

390950910389 is a wasteful number, since it uses less digits than its factorization.

390950910389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468627.

The product of its (nonzero) digits is 2361960, while the sum is 56.

The spelling of 390950910389 in words is "three hundred ninety billion, nine hundred fifty million, nine hundred ten thousand, three hundred eighty-nine".