308412361 has 6 divisors (see below), whose sum is σ = 319414862. Its totient is φ = 297776640.

The previous prime is 308412343. The next prime is 308412407. The reversal of 308412361 is 163214803.

It can be written as a sum of positive squares in 3 ways, for example, as 38007225 + 270405136 = 6165^2 + 16444^2 .

It is not a de Polignac number, because 308412361 - 2⁵ = 308412329 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 (308412301) 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 5 ways as a sum of consecutive naturals, for example, 182520 + ... + 184201.

Almost surely, 2^308412361 is an apocalyptic number.

It is an amenable number.

308412361 is a deficient number, since it is larger than the sum of its proper divisors (11002501).

308412361 is an equidigital number, since it uses as much as digits as its factorization.

308412361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366779 (or 366750 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 308412361 is about 17561.6730695000. The cubic root of 308412361 is about 675.6325928816.

It can be divided in two parts, 3084123 and 61, that multiplied together give a triangular number (188131503 = T₁₉₃₉₇).

The spelling of 308412361 in words is "three hundred eight million, four hundred twelve thousand, three hundred sixty-one".