32340420 has 72 divisors (see below), whose sum is σ = 112117824. Its totient is φ = 7391808.

The previous prime is 32340419. The next prime is 32340421. The reversal of 32340420 is 2404323.

It is an interprime number because it is at equal distance from previous prime (32340419) and next prime (32340421).

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

It is a junction number, because it is equal to n+sod(n) for n = 32340393 and 32340402.

It is not an unprimeable number, because it can be changed into a prime (32340421) 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, 11574 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (1557192).

Almost surely, 2^32340420 is an apocalyptic number.

32340420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32340420 is an abundant number, since it is smaller than the sum of its proper divisors (79777404).

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

32340420 is a wasteful number, since it uses less digits than its factorization.

32340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25689 (or 25684 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32340420 is about 5686.8638105726. The cubic root of 32340420 is about 318.6020397489.

Adding to 32340420 its reverse (2404323), we get a palindrome (34744743).

The spelling of 32340420 in words is "thirty-two million, three hundred forty thousand, four hundred twenty".