605993290 has 48 divisors (see below), whose sum is σ = 1281301632. Its totient is φ = 205734816.

The previous prime is 605993287. The next prime is 605993317. The reversal of 605993290 is 92399506.

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, 44467 + ... + 56473.

It is an arithmetic number, because the mean of its divisors is an integer number (26693784).

Almost surely, 2^605993290 is an apocalyptic number.

605993290 is an abundant number, since it is smaller than the sum of its proper divisors (675308342).

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

605993290 is a wasteful number, since it uses less digits than its factorization.

605993290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131 (or 12124 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 43.

The square root of 605993290 is about 24616.9309622463. The cubic root of 605993290 is about 846.2316644112.

The spelling of 605993290 in words is "six hundred five million, nine hundred ninety-three thousand, two hundred ninety".