398913419 has 4 divisors (see below), whose sum is σ = 399076944. Its totient is φ = 398749896.

The previous prime is 398913371. The next prime is 398913421. The reversal of 398913419 is 914319893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914319893 = 1601 ⋅571093.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398913419 is a prime.

It is a super-2 number, since 2×398913419² = 318263831716539122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398913439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78047 + ... + 83000.

It is an arithmetic number, because the mean of its divisors is an integer number (99769236).

Almost surely, 2^398913419 is an apocalyptic number.

398913419 is a deficient number, since it is larger than the sum of its proper divisors (163525).

398913419 is a wasteful number, since it uses less digits than its factorization.

398913419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163524.

The product of its digits is 209952, while the sum is 47.

The square root of 398913419 is about 19972.8170021157. The cubic root of 398913419 is about 736.1385282678.

The spelling of 398913419 in words is "three hundred ninety-eight million, nine hundred thirteen thousand, four hundred nineteen".