654345346 has 4 divisors (see below), whose sum is σ = 981518022. Its totient is φ = 327172672.

The previous prime is 654345343. The next prime is 654345347. The reversal of 654345346 is 643543456.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 565250625 + 89094721 = 23775^2 + 9439^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 654345299 and 654345308.

It is not an unprimeable number, because it can be changed into a prime (654345343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163586335 + ... + 163586338.

Almost surely, 2^654345346 is an apocalyptic number.

654345346 is a deficient number, since it is larger than the sum of its proper divisors (327172676).

654345346 is a wasteful number, since it uses less digits than its factorization.

654345346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327172675.

The product of its digits is 518400, while the sum is 40.

The square root of 654345346 is about 25580.1748625767. The cubic root of 654345346 is about 868.1651318904.

The spelling of 654345346 in words is "six hundred fifty-four million, three hundred forty-five thousand, three hundred forty-six".