421416299 has 4 divisors (see below), whose sum is σ = 423770760. Its totient is φ = 419061840.

The previous prime is 421416287. The next prime is 421416301. The reversal of 421416299 is 992614124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421416299 - 2⁴ = 421416283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421416799) 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, 1176962 + ... + 1177319.

It is an arithmetic number, because the mean of its divisors is an integer number (105942690).

Almost surely, 2^421416299 is an apocalyptic number.

421416299 is a deficient number, since it is larger than the sum of its proper divisors (2354461).

421416299 is a wasteful number, since it uses less digits than its factorization.

421416299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354460.

The product of its digits is 31104, while the sum is 38.

The square root of 421416299 is about 20528.4266079990. The cubic root of 421416299 is about 749.7280786088.

The spelling of 421416299 in words is "four hundred twenty-one million, four hundred sixteen thousand, two hundred ninety-nine".