390329748391 has 8 divisors (see below), whose sum is σ = 425932366464. Its totient is φ = 354746812920.

The previous prime is 390329748377. The next prime is 390329748397. The reversal of 390329748391 is 193847923093.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390329748391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390329748397) 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, 4879165 + ... + 4958518.

It is an arithmetic number, because the mean of its divisors is an integer number (53241545808).

Almost surely, 2^390329748391 is an apocalyptic number.

390329748391 is a deficient number, since it is larger than the sum of its proper divisors (35602618073).

390329748391 is a wasteful number, since it uses less digits than its factorization.

390329748391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9841301.

The product of its (nonzero) digits is 8817984, while the sum is 58.

The spelling of 390329748391 in words is "three hundred ninety billion, three hundred twenty-nine million, seven hundred forty-eight thousand, three hundred ninety-one".