421282630 has 16 divisors (see below), whose sum is σ = 798220080. Its totient is φ = 159643872.

The previous prime is 421282621. The next prime is 421282643. The reversal of 421282630 is 36282124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108449 + ... + 1108828.

It is an arithmetic number, because the mean of its divisors is an integer number (49888755).

Almost surely, 2^421282630 is an apocalyptic number.

421282630 is a deficient number, since it is larger than the sum of its proper divisors (376937450).

421282630 is a wasteful number, since it uses less digits than its factorization.

421282630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2217303.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 421282630 is about 20525.1706448448. The cubic root of 421282630 is about 749.6488014977.

The spelling of 421282630 in words is "four hundred twenty-one million, two hundred eighty-two thousand, six hundred thirty".