340414421 has 16 divisors (see below), whose sum is σ = 360561024. Its totient is φ = 320753664.

The previous prime is 340414411. The next prime is 340414429. The reversal of 340414421 is 124414043.

It is a happy number.

It is not a de Polignac number, because 340414421 - 2⁶ = 340414357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340414429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589685 + ... + 590261.

It is an arithmetic number, because the mean of its divisors is an integer number (22535064).

Almost surely, 2^340414421 is an apocalyptic number.

It is an amenable number.

340414421 is a deficient number, since it is larger than the sum of its proper divisors (20146603).

340414421 is a wasteful number, since it uses less digits than its factorization.

340414421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 340414421 is about 18450.3230595022. The cubic root of 340414421 is about 698.2366645195.

Adding to 340414421 its reverse (124414043), we get a palindrome (464828464).

The spelling of 340414421 in words is "three hundred forty million, four hundred fourteen thousand, four hundred twenty-one".