10321340 has 36 divisors (see below), whose sum is σ = 22288728. Its totient is φ = 4014720.

The previous prime is 10321331. The next prime is 10321349. The reversal of 10321340 is 4312301.

It is an interprime number because it is at equal distance from previous prime (10321331) and next prime (10321349).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10321349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33467 + ... + 33773.

Almost surely, 2^10321340 is an apocalyptic number.

10321340 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 10321340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11144364).

10321340 is an abundant number, since it is smaller than the sum of its proper divisors (11967388).

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

10321340 is a wasteful number, since it uses less digits than its factorization.

10321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10321340 is about 3212.6842359622. The cubic root of 10321340 is about 217.7268694539.

Adding to 10321340 its reverse (4312301), we get a palindrome (14633641).

The spelling of 10321340 in words is "ten million, three hundred twenty-one thousand, three hundred forty".