398674155245 has 8 divisors (see below), whose sum is σ = 488587901184. Its totient is φ = 312153380944.

The previous prime is 398674155199. The next prime is 398674155259. The reversal of 398674155245 is 542551476893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398674155245 is a prime.

It is a super-2 number, since 2×398674155245² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848242649 + ... + 848243118.

It is an arithmetic number, because the mean of its divisors is an integer number (61073487648).

Almost surely, 2^398674155245 is an apocalyptic number.

It is an amenable number.

398674155245 is a deficient number, since it is larger than the sum of its proper divisors (89913745939).

398674155245 is a wasteful number, since it uses less digits than its factorization.

398674155245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696485819.

The product of its digits is 36288000, while the sum is 59.

The spelling of 398674155245 in words is "three hundred ninety-eight billion, six hundred seventy-four million, one hundred fifty-five thousand, two hundred forty-five".