421259630 has 16 divisors (see below), whose sum is σ = 827200944. Its totient is φ = 153185280.

The previous prime is 421259627. The next prime is 421259633. The reversal of 421259630 is 36952124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421259627) and next prime (421259633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421259633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914707 + ... + 1914926.

It is an arithmetic number, because the mean of its divisors is an integer number (51700059).

Almost surely, 2^421259630 is an apocalyptic number.

421259630 is a deficient number, since it is larger than the sum of its proper divisors (405941314).

421259630 is a wasteful number, since it uses less digits than its factorization.

421259630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829651.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 421259630 is about 20524.6103495292. The cubic root of 421259630 is about 749.6351588463.

The spelling of 421259630 in words is "four hundred twenty-one million, two hundred fifty-nine thousand, six hundred thirty".