421535030 has 32 divisors (see below), whose sum is σ = 904863744. Its totient is φ = 138242016.

The previous prime is 421535029. The next prime is 421535033. The reversal of 421535030 is 30535124.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 421534987 and 421535005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421535033) 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, 129302 + ... + 132521.

It is an arithmetic number, because the mean of its divisors is an integer number (28276992).

Almost surely, 2^421535030 is an apocalyptic number.

421535030 is an abundant number, since it is smaller than the sum of its proper divisors (483328714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421535030 is a wasteful number, since it uses less digits than its factorization.

421535030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261860.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 421535030 is about 20531.3182723370. The cubic root of 421535030 is about 749.7984821552.

The spelling of 421535030 in words is "four hundred twenty-one million, five hundred thirty-five thousand, thirty".