398967419 has 4 divisors (see below), whose sum is σ = 399020520. Its totient is φ = 398914320.

The previous prime is 398967409. The next prime is 398967449. The reversal of 398967419 is 914769893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914769893 = 71 ⋅12884083.

It is a cyclic number.

It is not a de Polignac number, because 398967419 - 2²⁸ = 130531963 is a prime.

It is a super-2 number, since 2×398967419² = 318350002847043122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398967409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12962 + ... + 31079.

It is an arithmetic number, because the mean of its divisors is an integer number (99755130).

Almost surely, 2^398967419 is an apocalyptic number.

398967419 is a deficient number, since it is larger than the sum of its proper divisors (53101).

398967419 is an equidigital number, since it uses as much as digits as its factorization.

398967419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53100.

The product of its digits is 2939328, while the sum is 56.

The square root of 398967419 is about 19974.1687937196. The cubic root of 398967419 is about 736.1717432338.

The spelling of 398967419 in words is "three hundred ninety-eight million, nine hundred sixty-seven thousand, four hundred nineteen".