399883484 has 48 divisors (see below), whose sum is σ = 939595776. Its totient is φ = 143812800.

The previous prime is 399883453. The next prime is 399883501. The reversal of 399883484 is 484388993.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45932 + ... + 53939.

It is an arithmetic number, because the mean of its divisors is an integer number (19574912).

Almost surely, 2^399883484 is an apocalyptic number.

It is an amenable number.

399883484 is an abundant number, since it is smaller than the sum of its proper divisors (539712292).

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

399883484 is a wasteful number, since it uses less digits than its factorization.

399883484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99906 (or 99904 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The square root of 399883484 is about 19997.0868878444. The cubic root of 399883484 is about 736.7347513448.

The spelling of 399883484 in words is "three hundred ninety-nine million, eight hundred eighty-three thousand, four hundred eighty-four".