399212301 has 8 divisors (see below), whose sum is σ = 544661920. Its totient is φ = 259952112.

The previous prime is 399212293. The next prime is 399212329. The reversal of 399212301 is 103212993.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 399212301 - 2³ = 399212293 is a prime.

It is a super-2 number, since 2×399212301² = 318740922539429202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399212371) 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 7 ways as a sum of consecutive naturals, for example, 1547206 + ... + 1547463.

It is an arithmetic number, because the mean of its divisors is an integer number (68082740).

Almost surely, 2^399212301 is an apocalyptic number.

It is an amenable number.

399212301 is a deficient number, since it is larger than the sum of its proper divisors (145449619).

399212301 is a wasteful number, since it uses less digits than its factorization.

399212301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094715.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 399212301 is about 19980.2978206032. The cubic root of 399212301 is about 736.3223305827.

The spelling of 399212301 in words is "three hundred ninety-nine million, two hundred twelve thousand, three hundred one".