398471047 has 8 divisors (see below), whose sum is σ = 430796016. Its totient is φ = 366385152.

The previous prime is 398471039. The next prime is 398471069. The reversal of 398471047 is 740174893.

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 398471047 - 2³ = 398471039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 398470994 and 398471012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398471747) 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, 56293 + ... + 62974.

It is an arithmetic number, because the mean of its divisors is an integer number (53849502).

Almost surely, 2^398471047 is an apocalyptic number.

398471047 is a deficient number, since it is larger than the sum of its proper divisors (32324969).

398471047 is a wasteful number, since it uses less digits than its factorization.

398471047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119537.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 398471047 is about 19961.7395785037. The cubic root of 398471047 is about 735.8663158809.

The spelling of 398471047 in words is "three hundred ninety-eight million, four hundred seventy-one thousand, forty-seven".