654979682 has 8 divisors (see below), whose sum is σ = 1122822336. Its totient is φ = 280705572.

The previous prime is 654979681. The next prime is 654979691. The reversal of 654979682 is 286979456.

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 2×654979682² = 857996767665642248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (654979681) 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, 23392118 + ... + 23392145.

It is an arithmetic number, because the mean of its divisors is an integer number (140352792).

Almost surely, 2^654979682 is an apocalyptic number.

654979682 is a deficient number, since it is larger than the sum of its proper divisors (467842654).

654979682 is a wasteful number, since it uses less digits than its factorization.

654979682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46784272.

The product of its digits is 6531840, while the sum is 56.

The square root of 654979682 is about 25592.5708360844. The cubic root of 654979682 is about 868.4455804029.

The spelling of 654979682 in words is "six hundred fifty-four million, nine hundred seventy-nine thousand, six hundred eighty-two".