340031420 has 12 divisors (see below), whose sum is σ = 714066024. Its totient is φ = 136012560.

The previous prime is 340031407. The next prime is 340031423. The reversal of 340031420 is 24130043.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340031423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8500766 + ... + 8500805.

It is an arithmetic number, because the mean of its divisors is an integer number (59505502).

Almost surely, 2^340031420 is an apocalyptic number.

It is an amenable number.

340031420 is an abundant number, since it is smaller than the sum of its proper divisors (374034604).

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

340031420 is a wasteful number, since it uses less digits than its factorization.

340031420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001580 (or 17001578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340031420 is about 18439.9408892762. The cubic root of 340031420 is about 697.9747037244.

Adding to 340031420 its reverse (24130043), we get a palindrome (364161463).

The spelling of 340031420 in words is "three hundred forty million, thirty-one thousand, four hundred twenty".