399083838548 has 12 divisors (see below), whose sum is σ = 699241217472. Its totient is φ = 199300633560.

The previous prime is 399083838533. The next prime is 399083838551. The reversal of 399083838548 is 845838380993.

It is a super-2 number, since 2×399083838548² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 60317708 + ... + 60324323.

It is an arithmetic number, because the mean of its divisors is an integer number (58270101456).

Almost surely, 2^399083838548 is an apocalyptic number.

It is an amenable number.

399083838548 is a deficient number, since it is larger than the sum of its proper divisors (300157378924).

399083838548 is a wasteful number, since it uses less digits than its factorization.

399083838548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120642862 (or 120642860 counting only the distinct ones).

The product of its (nonzero) digits is 179159040, while the sum is 68.

The spelling of 399083838548 in words is "three hundred ninety-nine billion, eighty-three million, eight hundred thirty-eight thousand, five hundred forty-eight".