390507147 has 6 divisors (see below), whose sum is σ = 564065892. Its totient is φ = 260338092.

The previous prime is 390507137. The next prime is 390507151. The reversal of 390507147 is 741705093.

It is a happy number.

390507147 is a `hidden beast` number, since 3 + 9 + 0 + 507 + 147 = 666.

It is not a de Polignac number, because 390507147 - 2¹¹ = 390505099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390507137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21694833 + ... + 21694850.

It is an arithmetic number, because the mean of its divisors is an integer number (94010982).

Almost surely, 2^390507147 is an apocalyptic number.

390507147 is a deficient number, since it is larger than the sum of its proper divisors (173558745).

390507147 is a wasteful number, since it uses less digits than its factorization.

390507147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43389689 (or 43389686 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 390507147 is about 19761.2536798656. The cubic root of 390507147 is about 730.9309115827.

The spelling of 390507147 in words is "three hundred ninety million, five hundred seven thousand, one hundred forty-seven".