417900401 has 4 divisors (see below), whose sum is σ = 418088304. Its totient is φ = 417712500.

The previous prime is 417900397. The next prime is 417900407. The reversal of 417900401 is 104009714.

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, and also an emirpimes, since its reverse is a distinct semiprime: 104009714 = 2 ⋅52004857.

It is a cyclic number.

It is not a de Polignac number, because 417900401 - 2² = 417900397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (417900407) 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, 90575 + ... + 95076.

It is an arithmetic number, because the mean of its divisors is an integer number (104522076).

Almost surely, 2^417900401 is an apocalyptic number.

It is an amenable number.

417900401 is a deficient number, since it is larger than the sum of its proper divisors (187903).

417900401 is a wasteful number, since it uses less digits than its factorization.

417900401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187902.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 417900401 is about 20442.6123819829. The cubic root of 417900401 is about 747.6372464179.

The spelling of 417900401 in words is "four hundred seventeen million, nine hundred thousand, four hundred one".