397048047 has 16 divisors (see below), whose sum is σ = 578916480. Its totient is φ = 240055200.

The previous prime is 397048033. The next prime is 397048049. The reversal of 397048047 is 740840793.

It is not a de Polignac number, because 397048047 - 2⁶ = 397047983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397048049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397 + ... + 28182.

It is an arithmetic number, because the mean of its divisors is an integer number (36182280).

Almost surely, 2^397048047 is an apocalyptic number.

397048047 is a deficient number, since it is larger than the sum of its proper divisors (181868433).

397048047 is a wasteful number, since it uses less digits than its factorization.

397048047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29014.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 397048047 is about 19926.0645135963. The cubic root of 397048047 is about 734.9893080031.

The spelling of 397048047 in words is "three hundred ninety-seven million, forty-eight thousand, forty-seven".