421214299 has 8 divisors (see below), whose sum is σ = 475351920. Its totient is φ = 369717600.

The previous prime is 421214291. The next prime is 421214347. The reversal of 421214299 is 992412124.

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 421214299 - 2³ = 421214291 is a prime.

It is a super-2 number, since 2×421214299² = 354842971364122802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421214291) 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, 659892 + ... + 660529.

It is an arithmetic number, because the mean of its divisors is an integer number (59418990).

Almost surely, 2^421214299 is an apocalyptic number.

421214299 is a deficient number, since it is larger than the sum of its proper divisors (54137621).

421214299 is a wasteful number, since it uses less digits than its factorization.

421214299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320461.

The product of its digits is 10368, while the sum is 34.

The square root of 421214299 is about 20523.5060114007. The cubic root of 421214299 is about 749.6082689128.

The spelling of 421214299 in words is "four hundred twenty-one million, two hundred fourteen thousand, two hundred ninety-nine".