421430995 has 16 divisors (see below), whose sum is σ = 509902848. Its totient is φ = 334366560.

The previous prime is 421430993. The next prime is 421431011. The reversal of 421430995 is 599034124.

It is not a de Polignac number, because 421430995 - 2¹ = 421430993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (421430993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579322 + ... + 580048.

It is an arithmetic number, because the mean of its divisors is an integer number (31868928).

Almost surely, 2^421430995 is an apocalyptic number.

421430995 is a deficient number, since it is larger than the sum of its proper divisors (88471853).

421430995 is a wasteful number, since it uses less digits than its factorization.

421430995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 421430995 is about 20528.7845475566. The cubic root of 421430995 is about 749.7367935666.

The spelling of 421430995 in words is "four hundred twenty-one million, four hundred thirty thousand, nine hundred ninety-five".