606439680 has 432 divisors, whose sum is σ = 2466241344. Its totient is φ = 125583360.

The previous prime is 606439667. The next prime is 606439693. The reversal of 606439680 is 86934606.

It is an interprime number because it is at equal distance from previous prime (606439667) and next prime (606439693).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 2069614 + ... + 2069906.

It is an arithmetic number, because the mean of its divisors is an integer number (5708892).

Almost surely, 2^606439680 is an apocalyptic number.

606439680 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 606439680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1233120672).

606439680 is an abundant number, since it is smaller than the sum of its proper divisors (1859801664).

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

606439680 is a wasteful number, since it uses less digits than its factorization.

606439680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 606439680 is about 24625.9960204659. The cubic root of 606439680 is about 846.4393986351.

The spelling of 606439680 in words is "six hundred six million, four hundred thirty-nine thousand, six hundred eighty".