398167471 has 8 divisors (see below), whose sum is σ = 440385344. Its totient is φ = 357605280.

The previous prime is 398167447. The next prime is 398167481. The reversal of 398167471 is 174761893.

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 398167471 - 2²¹ = 396070319 is a prime.

It is a super-3 number, since 3×398167471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398167411) 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, 413415 + ... + 414376.

It is an arithmetic number, because the mean of its divisors is an integer number (55048168).

Almost surely, 2^398167471 is an apocalyptic number.

398167471 is a deficient number, since it is larger than the sum of its proper divisors (42217873).

398167471 is a wasteful number, since it uses less digits than its factorization.

398167471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827841.

The product of its digits is 254016, while the sum is 46.

The square root of 398167471 is about 19954.1341831712. The cubic root of 398167471 is about 735.6793946405.

The spelling of 398167471 in words is "three hundred ninety-eight million, one hundred sixty-seven thousand, four hundred seventy-one".