604987920 has 160 divisors (see below), whose sum is σ = 2097187200. Its totient is φ = 160298496.

The previous prime is 604987897. The next prime is 604987927. The reversal of 604987920 is 29789406.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604987927) 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, 372871 + ... + 374489.

It is an arithmetic number, because the mean of its divisors is an integer number (13107420).

Almost surely, 2^604987920 is an apocalyptic number.

604987920 is a gapful number since it is divisible by the number (60) 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 604987920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1048593600).

604987920 is an abundant number, since it is smaller than the sum of its proper divisors (1492199280).

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

604987920 is a wasteful number, since it uses less digits than its factorization.

604987920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 604987920 is about 24596.5021903522. The cubic root of 604987920 is about 845.7634266334.

The spelling of 604987920 in words is "six hundred four million, nine hundred eighty-seven thousand, nine hundred twenty".