608631840 has 192 divisors, whose sum is σ = 2155507200. Its totient is φ = 160376832.

The previous prime is 608631823. The next prime is 608631853. The reversal of 608631840 is 48136806.

It is a happy number.

608631840 is a `hidden beast` number, since 608 + 6 + 3 + 1 + 8 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 608631795 and 608631804.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383689 + ... + 385271.

It is an arithmetic number, because the mean of its divisors is an integer number (11226600).

Almost surely, 2^608631840 is an apocalyptic number.

608631840 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 608631840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077753600).

608631840 is an abundant number, since it is smaller than the sum of its proper divisors (1546875360).

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

608631840 is a wasteful number, since it uses less digits than its factorization.

608631840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1682 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 608631840 is about 24670.4649327896. The cubic root of 608631840 is about 847.4580760842.

The spelling of 608631840 in words is "six hundred eight million, six hundred thirty-one thousand, eight hundred forty".