340001421 has 8 divisors (see below), whose sum is σ = 453720000. Its totient is φ = 226475232.

The previous prime is 340001419. The next prime is 340001437. The reversal of 340001421 is 124100043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340001421 - 2¹ = 340001419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340001421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340001401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43921 + ... + 51078.

It is an arithmetic number, because the mean of its divisors is an integer number (56715000).

Almost surely, 2^340001421 is an apocalyptic number.

It is an amenable number.

340001421 is a deficient number, since it is larger than the sum of its proper divisors (113718579).

340001421 is a wasteful number, since it uses less digits than its factorization.

340001421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96195.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 340001421 is about 18439.1274468181. The cubic root of 340001421 is about 697.9541770341.

Adding to 340001421 its reverse (124100043), we get a palindrome (464101464).

The spelling of 340001421 in words is "three hundred forty million, one thousand, four hundred twenty-one".