421089210 has 48 divisors (see below), whose sum is σ = 1152459360. Its totient is φ = 106380000.

The previous prime is 421089209. The next prime is 421089211. The reversal of 421089210 is 12980124.

It is an interprime number because it is at equal distance from previous prime (421089209) and next prime (421089211).

It is a super-2 number, since 2×421089210² = 354632245556848200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (421089211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121416 + ... + 124835.

It is an arithmetic number, because the mean of its divisors is an integer number (24009570).

Almost surely, 2^421089210 is an apocalyptic number.

421089210 is an abundant number, since it is smaller than the sum of its proper divisors (731370150).

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

421089210 is a wasteful number, since it uses less digits than its factorization.

421089210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246283 (or 246280 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 421089210 is about 20520.4583282148. The cubic root of 421089210 is about 749.5340572564.

The spelling of 421089210 in words is "four hundred twenty-one million, eighty-nine thousand, two hundred ten".