343781601 has 16 divisors (see below), whose sum is σ = 470277696. Its totient is φ = 223312896.

The previous prime is 343781587. The next prime is 343781609. The reversal of 343781601 is 106187343.

It is not a de Polignac number, because 343781601 - 2⁵ = 343781569 is a prime.

It is a super-2 number, since 2×343781601² = 236371578372246402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (343781609) 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, 8721 + ... + 27633.

It is an arithmetic number, because the mean of its divisors is an integer number (29392356).

Almost surely, 2^343781601 is an apocalyptic number.

It is an amenable number.

343781601 is a deficient number, since it is larger than the sum of its proper divisors (126496095).

343781601 is a wasteful number, since it uses less digits than its factorization.

343781601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19072.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 343781601 is about 18541.3484137481. The cubic root of 343781601 is about 700.5312980049.

The spelling of 343781601 in words is "three hundred forty-three million, seven hundred eighty-one thousand, six hundred one".