511340 has 24 divisors (see below), whose sum is σ = 1104432. Its totient is φ = 198720.

The previous prime is 511337. The next prime is 511351. The reversal of 511340 is 43115.

It is a super-2 number, since 2×511340² = 522937191200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 1085.

It is an arithmetic number, because the mean of its divisors is an integer number (46018).

2⁵¹¹³⁴⁰ 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 511340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552216).

511340 is an abundant number, since it is smaller than the sum of its proper divisors (593092).

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

511340 is a wasteful number, since it uses less digits than its factorization.

511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 511340 is about 715.0804150583. The cubic root of 511340 is about 79.9656102189.

Adding to 511340 its reverse (43115), we get a palindrome (554455).

The spelling of 511340 in words is "five hundred eleven thousand, three hundred forty".