398534419 has 8 divisors (see below), whose sum is σ = 411803648. Its totient is φ = 385291080.

The previous prime is 398534413. The next prime is 398534453. The reversal of 398534419 is 914435893.

It is a happy number.

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 398534419 - 2⁵ = 398534387 is a prime.

It is a super-2 number, since 2×398534419² = 317659366255335122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398534413) 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, 27784 + ... + 39610.

It is an arithmetic number, because the mean of its divisors is an integer number (51475456).

Almost surely, 2^398534419 is an apocalyptic number.

398534419 is a deficient number, since it is larger than the sum of its proper divisors (13269229).

398534419 is a wasteful number, since it uses less digits than its factorization.

398534419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945.

The product of its digits is 466560, while the sum is 46.

The square root of 398534419 is about 19963.3268520054. The cubic root of 398534419 is about 735.9053240251.

The spelling of 398534419 in words is "three hundred ninety-eight million, five hundred thirty-four thousand, four hundred nineteen".