421417249 has 8 divisors (see below), whose sum is σ = 459924192. Its totient is φ = 382943040.

The previous prime is 421417231. The next prime is 421417259. The reversal of 421417249 is 942714124.

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 421417249 - 2¹¹ = 421415201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421417259) 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, 24402 + ... + 37924.

It is an arithmetic number, because the mean of its divisors is an integer number (57490524).

Almost surely, 2^421417249 is an apocalyptic number.

It is an amenable number.

421417249 is a deficient number, since it is larger than the sum of its proper divisors (38506943).

421417249 is a wasteful number, since it uses less digits than its factorization.

421417249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16367.

The product of its digits is 16128, while the sum is 34.

The square root of 421417249 is about 20528.4497466321. The cubic root of 421417249 is about 749.7286419798.

The spelling of 421417249 in words is "four hundred twenty-one million, four hundred seventeen thousand, two hundred forty-nine".