605660940 has 72 divisors (see below), whose sum is σ = 1900538640. Its totient is φ = 155938944.

The previous prime is 605660927. The next prime is 605660953. The reversal of 605660940 is 49066506.

It is a happy number.

605660940 is a `hidden beast` number, since 6 + 0 + 5 + 6 + 609 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (605660927) and next prime (605660953).

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 = 605660895 and 605660904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52794 + ... + 63233.

It is an arithmetic number, because the mean of its divisors is an integer number (26396370).

Almost surely, 2^605660940 is an apocalyptic number.

605660940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

605660940 is an abundant number, since it is smaller than the sum of its proper divisors (1294877700).

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

605660940 is a wasteful number, since it uses less digits than its factorization.

605660940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116071 (or 116066 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 605660940 is about 24610.1796011325. The cubic root of 605660940 is about 846.0769341366.

The spelling of 605660940 in words is "six hundred five million, six hundred sixty thousand, nine hundred forty".