398923740485 has 8 divisors (see below), whose sum is σ = 479798943360. Its totient is φ = 318412022544.

The previous prime is 398923740469. The next prime is 398923740497. The reversal of 398923740485 is 584047329893.

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 398923740485 - 2⁴ = 398923740469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90868817 + ... + 90873206.

It is an arithmetic number, because the mean of its divisors is an integer number (59974867920).

Almost surely, 2^398923740485 is an apocalyptic number.

It is an amenable number.

398923740485 is a deficient number, since it is larger than the sum of its proper divisors (80875202875).

398923740485 is a wasteful number, since it uses less digits than its factorization.

398923740485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181742467.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 398923740485 in words is "three hundred ninety-eight billion, nine hundred twenty-three million, seven hundred forty thousand, four hundred eighty-five".