390394848 has 24 divisors (see below), whose sum is σ = 1024786728. Its totient is φ = 130131584.

The previous prime is 390394793. The next prime is 390394859. The reversal of 390394848 is 848493093.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 390394797 and 390394806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033211 + ... + 2033402.

It is an arithmetic number, because the mean of its divisors is an integer number (42699447).

Almost surely, 2^390394848 is an apocalyptic number.

It is an amenable number.

390394848 is an abundant number, since it is smaller than the sum of its proper divisors (634391880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390394848 is a wasteful number, since it uses less digits than its factorization.

390394848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066626 (or 4066618 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 390394848 is about 19758.4120819463. The cubic root of 390394848 is about 730.8608397282.

The spelling of 390394848 in words is "three hundred ninety million, three hundred ninety-four thousand, eight hundred forty-eight".