654398130 has 64 divisors (see below), whose sum is σ = 1615033728. Its totient is φ = 169597440.

The previous prime is 654398117. The next prime is 654398131. The reversal of 654398130 is 31893456.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (654398131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376744 + ... + 378476.

It is an arithmetic number, because the mean of its divisors is an integer number (25234902).

Almost surely, 2^654398130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654398130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807516864).

654398130 is an abundant number, since it is smaller than the sum of its proper divisors (960635598).

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

654398130 is a wasteful number, since it uses less digits than its factorization.

654398130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2091.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 654398130 is about 25581.2065782676. The cubic root of 654398130 is about 868.1884753214.

The spelling of 654398130 in words is "six hundred fifty-four million, three hundred ninety-eight thousand, one hundred thirty".