1352340 has 72 divisors (see below), whose sum is σ = 4481568. Its totient is φ = 327360.

The previous prime is 1352317. The next prime is 1352347. The reversal of 1352340 is 432531.

1352340 = 129² + 130² + ... + 183².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1639 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (62244).

2^1352340 is an apocalyptic number.

1352340 is a gapful number since it is divisible by the number (10) 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 1352340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240784).

1352340 is an abundant number, since it is smaller than the sum of its proper divisors (3129228).

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

1352340 is a wasteful number, since it uses less digits than its factorization.

1352340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1352340 is about 1162.9015435539. The cubic root of 1352340 is about 110.5847646458.

Adding to 1352340 its reverse (432531), we get a palindrome (1784871).

The spelling of 1352340 in words is "one million, three hundred fifty-two thousand, three hundred forty".