390335334 has 32 divisors (see below), whose sum is σ = 846762336. Its totient is φ = 119470080.

The previous prime is 390335299. The next prime is 390335357. The reversal of 390335334 is 433533093.

It is a happy number.

It is a super-3 number, since 3×390335334³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 390335295 and 390335304.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42487 + ... + 50850.

It is an arithmetic number, because the mean of its divisors is an integer number (26461323).

Almost surely, 2^390335334 is an apocalyptic number.

390335334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

390335334 is an abundant number, since it is smaller than the sum of its proper divisors (456427002).

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

390335334 is a wasteful number, since it uses less digits than its factorization.

390335334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93400.

The product of its (nonzero) digits is 43740, while the sum is 33.

The square root of 390335334 is about 19756.9059824660. The cubic root of 390335334 is about 730.8236989866.

The spelling of 390335334 in words is "three hundred ninety million, three hundred thirty-five thousand, three hundred thirty-four".