654034394 has 24 divisors (see below), whose sum is σ = 1108523232. Its totient is φ = 288734160.

The previous prime is 654034393. The next prime is 654034427. The reversal of 654034394 is 493430456.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654034393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34292 + ... + 49839.

It is an arithmetic number, because the mean of its divisors is an integer number (46188468).

Almost surely, 2^654034394 is an apocalyptic number.

654034394 is a deficient number, since it is larger than the sum of its proper divisors (454488838).

654034394 is a wasteful number, since it uses less digits than its factorization.

654034394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84182 (or 84169 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 38.

The square root of 654034394 is about 25574.0961521615. The cubic root of 654034394 is about 868.0275896077.

The spelling of 654034394 in words is "six hundred fifty-four million, thirty-four thousand, three hundred ninety-four".