340021601 has 8 divisors (see below), whose sum is σ = 349460160. Its totient is φ = 330596208.

The previous prime is 340021589. The next prime is 340021613. The reversal of 340021601 is 106120043.

It is an interprime number because it is at equal distance from previous prime (340021589) and next prime (340021613).

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

It is a cyclic number.

It is not a de Polignac number, because 340021601 - 2¹⁸ = 339759457 is a prime.

It is a super-2 number, since 2×340021601² = 231229378293206402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340021601.

It is not an unprimeable number, because it can be changed into a prime (340021631) 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, 73190 + ... + 77696.

It is an arithmetic number, because the mean of its divisors is an integer number (43682520).

Almost surely, 2^340021601 is an apocalyptic number.

It is an amenable number.

340021601 is a deficient number, since it is larger than the sum of its proper divisors (9438559).

340021601 is a wasteful number, since it uses less digits than its factorization.

340021601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 340021601 is about 18439.6746446351. The cubic root of 340021601 is about 697.9679852477.

Adding to 340021601 its reverse (106120043), we get a palindrome (446141644).

The spelling of 340021601 in words is "three hundred forty million, twenty-one thousand, six hundred one".