390741246 has 60 divisors (see below), whose sum is σ = 1002335928. Its totient is φ = 111450168.

The previous prime is 390741223. The next prime is 390741257. The reversal of 390741246 is 642147093.

It is a self number, because there is not a number n which added to its sum of digits gives 390741246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 665365 + ... + 665951.

Almost surely, 2^390741246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390741246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501167964).

390741246 is an abundant number, since it is smaller than the sum of its proper divisors (611594682).

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

390741246 is an frugal number, since it uses more digits than its factorization.

390741246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 390741246 is about 19767.1759743267. The cubic root of 390741246 is about 731.0769405061.

The spelling of 390741246 in words is "three hundred ninety million, seven hundred forty-one thousand, two hundred forty-six".