399416700 has 72 divisors (see below), whose sum is σ = 1223640432. Its totient is φ = 100244480.

The previous prime is 399416671. The next prime is 399416713. The reversal of 399416700 is 7614993.

399416700 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 23 ways as a sum of consecutive naturals, for example, 34059 + ... + 44258.

It is an arithmetic number, because the mean of its divisors is an integer number (16995006).

Almost surely, 2^399416700 is an apocalyptic number.

399416700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

399416700 is an abundant number, since it is smaller than the sum of its proper divisors (824223732).

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

399416700 is a wasteful number, since it uses less digits than its factorization.

399416700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78351 (or 78344 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 399416700 is about 19985.4121798876. The cubic root of 399416700 is about 736.4479762343.

The spelling of 399416700 in words is "three hundred ninety-nine million, four hundred sixteen thousand, seven hundred".