421429359 has 32 divisors (see below), whose sum is σ = 613476864. Its totient is φ = 255795840.

The previous prime is 421429357. The next prime is 421429361. The reversal of 421429359 is 953924124.

It is an interprime number because it is at equal distance from previous prime (421429357) and next prime (421429361).

It is not a de Polignac number, because 421429359 - 2¹ = 421429357 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421429357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1602262 + ... + 1602524.

It is an arithmetic number, because the mean of its divisors is an integer number (19171152).

Almost surely, 2^421429359 is an apocalyptic number.

421429359 is a deficient number, since it is larger than the sum of its proper divisors (192047505).

421429359 is a wasteful number, since it uses less digits than its factorization.

421429359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687.

The product of its digits is 77760, while the sum is 39.

The square root of 421429359 is about 20528.7447010284. The cubic root of 421429359 is about 749.7358234030.

The spelling of 421429359 in words is "four hundred twenty-one million, four hundred twenty-nine thousand, three hundred fifty-nine".