331366417 has 4 divisors (see below), whose sum is σ = 332367856. Its totient is φ = 330364980.

The previous prime is 331366393. The next prime is 331366429. The reversal of 331366417 is 714663133.

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 a de Polignac number, because none of the positive numbers 2^k-331366417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (331366447) 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, 500223 + ... + 500884.

It is an arithmetic number, because the mean of its divisors is an integer number (83091964).

Almost surely, 2^331366417 is an apocalyptic number.

It is an amenable number.

331366417 is a deficient number, since it is larger than the sum of its proper divisors (1001439).

331366417 is a wasteful number, since it uses less digits than its factorization.

331366417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001438.

The product of its digits is 27216, while the sum is 34.

The square root of 331366417 is about 18203.4726632036. The cubic root of 331366417 is about 691.9947994586.

The spelling of 331366417 in words is "three hundred thirty-one million, three hundred sixty-six thousand, four hundred seventeen".