390925446 has 16 divisors (see below), whose sum is σ = 784617024. Its totient is φ = 129847464.

The previous prime is 390925441. The next prime is 390925453. The reversal of 390925446 is 644529093.

It is a junction number, because it is equal to n+sod(n) for n = 390925398 and 390925407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390925441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113416 + ... + 116811.

It is an arithmetic number, because the mean of its divisors is an integer number (49038564).

Almost surely, 2^390925446 is an apocalyptic number.

390925446 is an abundant number, since it is smaller than the sum of its proper divisors (393691578).

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

390925446 is a wasteful number, since it uses less digits than its factorization.

390925446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230515.

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 390925446 is about 19771.8346644918. The cubic root of 390925446 is about 731.1918018699.

The spelling of 390925446 in words is "three hundred ninety million, nine hundred twenty-five thousand, four hundred forty-six".