654396732 has 120 divisors (see below), whose sum is σ = 1926769152. Its totient is φ = 191872800.

The previous prime is 654396719. The next prime is 654396733. The reversal of 654396732 is 237693456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654396733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 107523 + ... + 113445.

Almost surely, 2^654396732 is an apocalyptic number.

654396732 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 654396732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (963384576).

654396732 is an abundant number, since it is smaller than the sum of its proper divisors (1272372420).

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

654396732 is a wasteful number, since it uses less digits than its factorization.

654396732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981 (or 5970 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 654396732 is about 25581.1792535059. The cubic root of 654396732 is about 868.1878570798.

It can be divided in two parts, 654 and 396732, that added together give a triangular number (397386 = T₈₉₁).

The spelling of 654396732 in words is "six hundred fifty-four million, three hundred ninety-six thousand, seven hundred thirty-two".