397847105 has 16 divisors (see below), whose sum is σ = 480836928. Its totient is φ = 316008000.

The previous prime is 397847083. The next prime is 397847117. The reversal of 397847105 is 501748793.

It is not a de Polignac number, because 397847105 - 2⁸ = 397846849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696470 + ... + 697040.

It is an arithmetic number, because the mean of its divisors is an integer number (30052308).

Almost surely, 2^397847105 is an apocalyptic number.

It is an amenable number.

397847105 is a deficient number, since it is larger than the sum of its proper divisors (82989823).

397847105 is a wasteful number, since it uses less digits than its factorization.

397847105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 397847105 is about 19946.1050082466. The cubic root of 397847105 is about 735.4820322058.

The spelling of 397847105 in words is "three hundred ninety-seven million, eight hundred forty-seven thousand, one hundred five".