420889299 has 8 divisors (see below), whose sum is σ = 561315840. Its totient is φ = 280527816.

The previous prime is 420889283. The next prime is 420889307. The reversal of 420889299 is 992988024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420889299 - 2⁴ = 420889283 is a prime.

It is a super-2 number, since 2×420889299² = 354295604025422802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420889219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1654 + ... + 29060.

It is an arithmetic number, because the mean of its divisors is an integer number (70164480).

Almost surely, 2^420889299 is an apocalyptic number.

420889299 is a deficient number, since it is larger than the sum of its proper divisors (140426541).

420889299 is a wasteful number, since it uses less digits than its factorization.

420889299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32529.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 420889299 is about 20515.5867330184. The cubic root of 420889299 is about 749.4154253706.

The spelling of 420889299 in words is "four hundred twenty million, eight hundred eighty-nine thousand, two hundred ninety-nine".