398649119 has 8 divisors (see below), whose sum is σ = 448919040. Its totient is φ = 350717400.

The previous prime is 398649103. The next prime is 398649143. The reversal of 398649119 is 911946893.

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

It is not a de Polignac number, because 398649119 - 2⁴ = 398649103 is a prime.

It is a super-2 number, since 2×398649119² = 317842240158952322, which contains 22 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 (398649169) 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, 584189 + ... + 584870.

It is an arithmetic number, because the mean of its divisors is an integer number (56114880).

Almost surely, 2^398649119 is an apocalyptic number.

398649119 is a deficient number, since it is larger than the sum of its proper divisors (50269921).

398649119 is a wasteful number, since it uses less digits than its factorization.

398649119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169101.

The product of its digits is 419904, while the sum is 50.

The square root of 398649119 is about 19966.1994130080. The cubic root of 398649119 is about 735.9759162084.

The spelling of 398649119 in words is "three hundred ninety-eight million, six hundred forty-nine thousand, one hundred nineteen".