411998397 has 4 divisors (see below), whose sum is σ = 549331200. Its totient is φ = 274665596.

The previous prime is 411998371. The next prime is 411998399. The reversal of 411998397 is 793899114.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 411998397 - 2¹⁰ = 411997373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411998399) 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, 68666397 + ... + 68666402.

It is an arithmetic number, because the mean of its divisors is an integer number (137332800).

Almost surely, 2^411998397 is an apocalyptic number.

It is an amenable number.

411998397 is a deficient number, since it is larger than the sum of its proper divisors (137332803).

411998397 is a wasteful number, since it uses less digits than its factorization.

411998397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137332802.

The product of its digits is 489888, while the sum is 51.

The square root of 411998397 is about 20297.7436430752. The cubic root of 411998397 is about 744.1009210277.

The spelling of 411998397 in words is "four hundred eleven million, nine hundred ninety-eight thousand, three hundred ninety-seven".