390067429 has 12 divisors (see below), whose sum is σ = 412353900. Its totient is φ = 368543168.

The previous prime is 390067421. The next prime is 390067441. The reversal of 390067429 is 924760093.

It can be written as a sum of positive squares in 2 ways, for example, as 143640225 + 246427204 = 11985^2 + 15698^2 .

It is not a de Polignac number, because 390067429 - 2³ = 390067421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390067391 and 390067400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390067421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61017 + ... + 67105.

It is an arithmetic number, because the mean of its divisors is an integer number (34362825).

Almost surely, 2^390067429 is an apocalyptic number.

It is an amenable number.

390067429 is a deficient number, since it is larger than the sum of its proper divisors (22286471).

390067429 is an equidigital number, since it uses as much as digits as its factorization.

390067429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212 (or 6165 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 390067429 is about 19750.1247844159. The cubic root of 390067429 is about 730.6564614717.

The spelling of 390067429 in words is "three hundred ninety million, sixty-seven thousand, four hundred twenty-nine".