420093460 has 24 divisors (see below), whose sum is σ = 934090920. Its totient is φ = 158152704.

The previous prime is 420093451. The next prime is 420093467. The reversal of 420093460 is 64390024.

It can be written as a sum of positive squares in 4 ways, for example, as 143137296 + 276956164 = 11964^2 + 16642^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420093467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617445 + ... + 618124.

It is an arithmetic number, because the mean of its divisors is an integer number (38920455).

Almost surely, 2^420093460 is an apocalyptic number.

It is an amenable number.

420093460 is an abundant number, since it is smaller than the sum of its proper divisors (513997460).

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

420093460 is a wasteful number, since it uses less digits than its factorization.

420093460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235595 (or 1235593 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 420093460 is about 20496.1815956046. The cubic root of 420093460 is about 748.9427830158.

The spelling of 420093460 in words is "four hundred twenty million, ninety-three thousand, four hundred sixty".