390306294 has 96 divisors (see below), whose sum is σ = 990213120. Its totient is φ = 108815616.

The previous prime is 390306223. The next prime is 390306307. The reversal of 390306294 is 492603093.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1124629 + ... + 1124975.

It is an arithmetic number, because the mean of its divisors is an integer number (10314720).

Almost surely, 2^390306294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390306294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495106560).

390306294 is an abundant number, since it is smaller than the sum of its proper divisors (599906826).

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

390306294 is a wasteful number, since it uses less digits than its factorization.

390306294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 390306294 is about 19756.1710359067. The cubic root of 390306294 is about 730.8055747016.

The spelling of 390306294 in words is "three hundred ninety million, three hundred six thousand, two hundred ninety-four".