340732 has 24 divisors (see below), whose sum is σ = 699776. Its totient is φ = 142128.

The previous prime is 340723. The next prime is 340757. The reversal of 340732 is 237043.

It is a congruent number.

It is an unprimeable number.

340732 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063 + ... + 1345.

2³⁴⁰⁷³² 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 340732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349888).

340732 is an abundant number, since it is smaller than the sum of its proper divisors (359044).

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

340732 is a wasteful number, since it uses less digits than its factorization.

340732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 19.

The square root of 340732 is about 583.7225368272. The cubic root of 340732 is about 69.8453729727.

Adding to 340732 its reverse (237043), we get a palindrome (577775).

The spelling of 340732 in words is "three hundred forty thousand, seven hundred thirty-two".