420894000 has 240 divisors, whose sum is σ = 1496258400. Its totient is φ = 110246400.

The previous prime is 420893999. The next prime is 420894013. The reversal of 420894000 is 498024.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1205826 + ... + 1206174.

It is an arithmetic number, because the mean of its divisors is an integer number (6234410).

Almost surely, 2^420894000 is an apocalyptic number.

420894000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420894000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748129200).

420894000 is an abundant number, since it is smaller than the sum of its proper divisors (1075364400).

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

420894000 is a wasteful number, since it uses less digits than its factorization.

420894000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 420894000 is about 20515.7013041231. The cubic root of 420894000 is about 749.4182154857.

The spelling of 420894000 in words is "four hundred twenty million, eight hundred ninety-four thousand".