399812301 has 32 divisors (see below), whose sum is σ = 698777600. Its totient is φ = 221091120.

The previous prime is 399812291. The next prime is 399812311. The reversal of 399812301 is 103218993.

It is an interprime number because it is at equal distance from previous prime (399812291) and next prime (399812311).

It is not a de Polignac number, because 399812301 - 2¹⁵ = 399779533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399812311) 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, 28261 + ... + 39978.

It is an arithmetic number, because the mean of its divisors is an integer number (21836800).

Almost surely, 2^399812301 is an apocalyptic number.

399812301 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

399812301 is a deficient number, since it is larger than the sum of its proper divisors (298965299).

399812301 is a wasteful number, since it uses less digits than its factorization.

399812301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68286 (or 68280 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 399812301 is about 19995.3069743878. The cubic root of 399812301 is about 736.6910335254.

The spelling of 399812301 in words is "three hundred ninety-nine million, eight hundred twelve thousand, three hundred one".