34431641 has 4 divisors (see below), whose sum is σ = 34448484. Its totient is φ = 34414800.

The previous prime is 34431611. The next prime is 34431643. The reversal of 34431641 is 14613443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 547600 + 33884041 = 740^2 + 5821^2 .

It is a cyclic number.

It is not a de Polignac number, because 34431641 - 2¹⁸ = 34169497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 34431641.

It is not an unprimeable number, because it can be changed into a prime (34431643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4850 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (8612121).

Almost surely, 2^34431641 is an apocalyptic number.

It is an amenable number.

34431641 is a deficient number, since it is larger than the sum of its proper divisors (16843).

34431641 is a wasteful number, since it uses less digits than its factorization.

34431641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16842.

The product of its digits is 3456, while the sum is 26.

The square root of 34431641 is about 5867.8480723345. The cubic root of 34431641 is about 325.3263498969.

The spelling of 34431641 in words is "thirty-four million, four hundred thirty-one thousand, six hundred forty-one".