390197147 has 8 divisors (see below), whose sum is σ = 396302592. Its totient is φ = 384134400.

The previous prime is 390197131. The next prime is 390197201. The reversal of 390197147 is 741791093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 390197147 - 2⁴ = 390197131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390197947) 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, 7997 + ... + 29057.

It is an arithmetic number, because the mean of its divisors is an integer number (49537824).

Almost surely, 2^390197147 is an apocalyptic number.

390197147 is a deficient number, since it is larger than the sum of its proper divisors (6105445).

390197147 is a wasteful number, since it uses less digits than its factorization.

390197147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21349.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 390197147 is about 19753.4084906884. The cubic root of 390197147 is about 730.7374464360.

The spelling of 390197147 in words is "three hundred ninety million, one hundred ninety-seven thousand, one hundred forty-seven".