390848847 has 8 divisors (see below), whose sum is σ = 526191744. Its totient is φ = 258035928.

The previous prime is 390848813. The next prime is 390848873. The reversal of 390848847 is 748848093.

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

It is not a de Polignac number, because 390848847 - 2⁷ = 390848719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 390848847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390848897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632133 + ... + 632750.

It is an arithmetic number, because the mean of its divisors is an integer number (65773968).

Almost surely, 2^390848847 is an apocalyptic number.

390848847 is a deficient number, since it is larger than the sum of its proper divisors (135342897).

390848847 is a wasteful number, since it uses less digits than its factorization.

390848847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264989.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 390848847 is about 19769.8974959406. The cubic root of 390848847 is about 731.1440415105.

The spelling of 390848847 in words is "three hundred ninety million, eight hundred forty-eight thousand, eight hundred forty-seven".