34403409 has 6 divisors (see below), whose sum is σ = 49693826. Its totient is φ = 22935600.

The previous prime is 34403407. The next prime is 34403419. The reversal of 34403409 is 90430443.

It can be written as a sum of positive squares in only one way, i.e., 34398225 + 5184 = 5865^2 + 72^2 .

It is not a de Polignac number, because 34403409 - 2¹ = 34403407 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34403407) 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 5 ways as a sum of consecutive naturals, for example, 1911292 + ... + 1911309.

Almost surely, 2^34403409 is an apocalyptic number.

It is an amenable number.

34403409 is a deficient number, since it is larger than the sum of its proper divisors (15290417).

34403409 is a wasteful number, since it uses less digits than its factorization.

34403409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822607 (or 3822604 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 34403409 is about 5865.4419270844. The cubic root of 34403409 is about 325.2374091758.

Subtracting from 34403409 its product of nonzero digits (5184), we obtain a square (34398225 = 5865²).

The spelling of 34403409 in words is "thirty-four million, four hundred three thousand, four hundred nine".