420883881 has 8 divisors (see below), whose sum is σ = 612194784. Its totient is φ = 255081120.

The previous prime is 420883861. The next prime is 420883907. The reversal of 420883881 is 188388024.

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

It is not a de Polignac number, because 420883881 - 2⁶ = 420883817 is a prime.

It is a super-2 number, since 2×420883881² = 354286482571244322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420883861) 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, 6376996 + ... + 6377061.

It is an arithmetic number, because the mean of its divisors is an integer number (76524348).

Almost surely, 2^420883881 is an apocalyptic number.

It is an amenable number.

420883881 is a deficient number, since it is larger than the sum of its proper divisors (191310903).

420883881 is a wasteful number, since it uses less digits than its factorization.

420883881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754071.

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 420883881 is about 20515.4546866503. The cubic root of 420883881 is about 749.4122096793.

The spelling of 420883881 in words is "four hundred twenty million, eight hundred eighty-three thousand, eight hundred eighty-one".