421248950 has 24 divisors (see below), whose sum is σ = 829614312. Its totient is φ = 158587520.

The previous prime is 421248931. The next prime is 421248977. The reversal of 421248950 is 59842124.

It is a super-2 number, since 2×421248950² = 354901355752205000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421248950.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246944 + ... + 248643.

It is an arithmetic number, because the mean of its divisors is an integer number (34567263).

Almost surely, 2^421248950 is an apocalyptic number.

421248950 is a deficient number, since it is larger than the sum of its proper divisors (408365362).

421248950 is a wasteful number, since it uses less digits than its factorization.

421248950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495616 (or 495611 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 421248950 is about 20524.3501724172. The cubic root of 421248950 is about 749.6288237420.

The spelling of 421248950 in words is "four hundred twenty-one million, two hundred forty-eight thousand, nine hundred fifty".