398073567 has 4 divisors (see below), whose sum is σ = 530764760. Its totient is φ = 265382376.

The previous prime is 398073539. The next prime is 398073583. The reversal of 398073567 is 765370893.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 398073567 - 2⁷ = 398073439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398073527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66345592 + ... + 66345597.

It is an arithmetic number, because the mean of its divisors is an integer number (132691190).

Almost surely, 2^398073567 is an apocalyptic number.

398073567 is a deficient number, since it is larger than the sum of its proper divisors (132691193).

398073567 is a wasteful number, since it uses less digits than its factorization.

398073567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132691192.

The product of its (nonzero) digits is 952560, while the sum is 48.

The square root of 398073567 is about 19951.7810483175. The cubic root of 398073567 is about 735.6215557707.

The spelling of 398073567 in words is "three hundred ninety-eight million, seventy-three thousand, five hundred sixty-seven".