421880676 has 24 divisors (see below), whose sum is σ = 1125015360. Its totient is φ = 120537312.

The previous prime is 421880647. The next prime is 421880681. The reversal of 421880676 is 676088124.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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, 2511111 + ... + 2511278.

It is an arithmetic number, because the mean of its divisors is an integer number (46875640).

Almost surely, 2^421880676 is an apocalyptic number.

It is an amenable number.

421880676 is an abundant number, since it is smaller than the sum of its proper divisors (703134684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421880676 is a wasteful number, since it uses less digits than its factorization.

421880676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022403 (or 5022401 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 421880676 is about 20539.7340781228. The cubic root of 421880676 is about 750.0033635405.

The spelling of 421880676 in words is "four hundred twenty-one million, eight hundred eighty thousand, six hundred seventy-six".