654651336 has 64 divisors (see below), whose sum is σ = 1725105600. Its totient is φ = 206705408.

The previous prime is 654651331. The next prime is 654651373. The reversal of 654651336 is 633156456.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 654651294 and 654651303.

It is not an unprimeable number, because it can be changed into a prime (654651331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28015 + ... + 45761.

It is an arithmetic number, because the mean of its divisors is an integer number (26954775).

Almost surely, 2^654651336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654651336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862552800).

654651336 is an abundant number, since it is smaller than the sum of its proper divisors (1070454264).

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

654651336 is a wasteful number, since it uses less digits than its factorization.

654651336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838 (or 17834 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 654651336 is about 25586.1551625093. The cubic root of 654651336 is about 868.3004368191.

The spelling of 654651336 in words is "six hundred fifty-four million, six hundred fifty-one thousand, three hundred thirty-six".