399848430 has 32 divisors (see below), whose sum is σ = 977746464. Its totient is φ = 104614016.

The previous prime is 399848417. The next prime is 399848437. The reversal of 399848430 is 34848993.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 399848430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399848437) by changing a digit.

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, 124149 + ... + 127328.

It is an arithmetic number, because the mean of its divisors is an integer number (30554577).

Almost surely, 2^399848430 is an apocalyptic number.

399848430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

399848430 is an abundant number, since it is smaller than the sum of its proper divisors (577898034).

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

399848430 is a wasteful number, since it uses less digits than its factorization.

399848430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251540.

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 399848430 is about 19996.2103909716. The cubic root of 399848430 is about 736.7132231950.

The spelling of 399848430 in words is "three hundred ninety-nine million, eight hundred forty-eight thousand, four hundred thirty".