390550129 has 8 divisors (see below), whose sum is σ = 414465120. Its totient is φ = 366739776.

The previous prime is 390550099. The next prime is 390550151. The reversal of 390550129 is 921055093.

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 390550129 - 2⁷ = 390550001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390550094 and 390550103.

It is not an unprimeable number, because it can be changed into a prime (390550159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18399 + ... + 33460.

It is an arithmetic number, because the mean of its divisors is an integer number (51808140).

Almost surely, 2^390550129 is an apocalyptic number.

It is an amenable number.

390550129 is a deficient number, since it is larger than the sum of its proper divisors (23914991).

390550129 is a wasteful number, since it uses less digits than its factorization.

390550129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52319.

The product of its (nonzero) digits is 12150, while the sum is 34.

The square root of 390550129 is about 19762.3411821575. The cubic root of 390550129 is about 730.9577277542.

The spelling of 390550129 in words is "three hundred ninety million, five hundred fifty thousand, one hundred twenty-nine".