421880433 has 8 divisors (see below), whose sum is σ = 605777088. Its totient is φ = 259618704.

The previous prime is 421880423. The next prime is 421880443. The reversal of 421880433 is 334088124.

It is an interprime number because it is at equal distance from previous prime (421880423) and next prime (421880443).

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

It is not a de Polignac number, because 421880433 - 2⁶ = 421880369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 421880394 and 421880403.

It is not an unprimeable number, because it can be changed into a prime (421880423) 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, 5408685 + ... + 5408762.

It is an arithmetic number, because the mean of its divisors is an integer number (75722136).

Almost surely, 2^421880433 is an apocalyptic number.

It is an amenable number.

421880433 is a deficient number, since it is larger than the sum of its proper divisors (183896655).

421880433 is a wasteful number, since it uses less digits than its factorization.

421880433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10817463.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 421880433 is about 20539.7281627581. The cubic root of 421880433 is about 750.0032195417.

The spelling of 421880433 in words is "four hundred twenty-one million, eight hundred eighty thousand, four hundred thirty-three".