390003336 has 64 divisors (see below), whose sum is σ = 1096766400. Its totient is φ = 129995280.

The previous prime is 390003331. The next prime is 390003349. The reversal of 390003336 is 633300093.

It is a super-2 number, since 2×390003336² = 304205204182257792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (390003331) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6351 + ... + 28641.

It is an arithmetic number, because the mean of its divisors is an integer number (17136975).

Almost surely, 2^390003336 is an apocalyptic number.

390003336 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390003336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548383200).

390003336 is an abundant number, since it is smaller than the sum of its proper divisors (706763064).

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

390003336 is an equidigital number, since it uses as much as digits as its factorization.

390003336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22318 (or 22296 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 27.

The square root of 390003336 is about 19748.5021204141. The cubic root of 390003336 is about 730.6164405879.

The spelling of 390003336 in words is "three hundred ninety million, three thousand, three hundred thirty-six".