654079380 has 24 divisors (see below), whose sum is σ = 1831422432. Its totient is φ = 174421152.

The previous prime is 654079379. The next prime is 654079399. The reversal of 654079380 is 83970456.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5450602 + ... + 5450721.

It is an arithmetic number, because the mean of its divisors is an integer number (76309268).

Almost surely, 2^654079380 is an apocalyptic number.

654079380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

654079380 is an abundant number, since it is smaller than the sum of its proper divisors (1177343052).

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

654079380 is a wasteful number, since it uses less digits than its factorization.

654079380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10901335 (or 10901333 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 654079380 is about 25574.9756598125. The cubic root of 654079380 is about 868.0474908006.

The spelling of 654079380 in words is "six hundred fifty-four million, seventy-nine thousand, three hundred eighty".