390441429 has 12 divisors (see below), whose sum is σ = 644538336. Its totient is φ = 223109352.

The previous prime is 390441377. The next prime is 390441479. The reversal of 390441429 is 924144093.

It is not a de Polignac number, because 390441429 - 2⁹ = 390440917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390441393 and 390441402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390441479) 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, 3098679 + ... + 3098804.

It is an arithmetic number, because the mean of its divisors is an integer number (53711528).

Almost surely, 2^390441429 is an apocalyptic number.

It is an amenable number.

390441429 is a deficient number, since it is larger than the sum of its proper divisors (254096907).

390441429 is a wasteful number, since it uses less digits than its factorization.

390441429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6197496 (or 6197493 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 390441429 is about 19759.5908105406. The cubic root of 390441429 is about 730.8899067740.

The spelling of 390441429 in words is "three hundred ninety million, four hundred forty-one thousand, four hundred twenty-nine".