421003160 has 16 divisors (see below), whose sum is σ = 947257200. Its totient is φ = 168401248.

The previous prime is 421003139. The next prime is 421003169. The reversal of 421003160 is 61300124.

421003160 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421003169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262500 + ... + 5262579.

It is an arithmetic number, because the mean of its divisors is an integer number (59203575).

Almost surely, 2^421003160 is an apocalyptic number.

421003160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421003160 is an abundant number, since it is smaller than the sum of its proper divisors (526254040).

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

421003160 is a wasteful number, since it uses less digits than its factorization.

421003160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525090 (or 10525086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 421003160 is about 20518.3615330269. The cubic root of 421003160 is about 749.4829977676.

Adding to 421003160 its reverse (61300124), we get a palindrome (482303284).

The spelling of 421003160 in words is "four hundred twenty-one million, three thousand, one hundred sixty".