654685334 has 8 divisors (see below), whose sum is σ = 1039794408. Its totient is φ = 308087200.

The previous prime is 654685331. The next prime is 654685349. The reversal of 654685334 is 433586456.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×654685334² = 857225773109383112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654685331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9627692 + ... + 9627759.

It is an arithmetic number, because the mean of its divisors is an integer number (129974301).

Almost surely, 2^654685334 is an apocalyptic number.

654685334 is a deficient number, since it is larger than the sum of its proper divisors (385109074).

654685334 is a wasteful number, since it uses less digits than its factorization.

654685334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19255470.

The product of its digits is 1036800, while the sum is 44.

The square root of 654685334 is about 25586.8195366286. The cubic root of 654685334 is about 868.3154677043.

The spelling of 654685334 in words is "six hundred fifty-four million, six hundred eighty-five thousand, three hundred thirty-four".