399300003993 has 32 divisors (see below), whose sum is σ = 620047170432. Its totient is φ = 227764669440.

The previous prime is 399300003989. The next prime is 399300004003.

399300003993 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 399300003993 - 2² = 399300003989 is a prime.

It is not an unprimeable number, because it can be changed into a prime (399300003983) 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 31 ways as a sum of consecutive naturals, for example, 2873296 + ... + 3009057.

It is an arithmetic number, because the mean of its divisors is an integer number (19376474076).

Almost surely, 2^399300003993 is an apocalyptic number.

399300003993 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

399300003993 is a deficient number, since it is larger than the sum of its proper divisors (220747166439).

399300003993 is a wasteful number, since it uses less digits than its factorization.

399300003993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882406 (or 5882384 counting only the distinct ones).

The product of its (nonzero) digits is 531441, while the sum is 48.

It can be divided in two parts, 39930000 and 3993, that multiplied together give a square (159440490000 = 399300²).

The spelling of 399300003993 in words is "three hundred ninety-nine billion, three hundred million, three thousand, nine hundred ninety-three".