34400609 has 4 divisors (see below), whose sum is σ = 34551060. Its totient is φ = 34250160.

The previous prime is 34400603. The next prime is 34400627. The reversal of 34400609 is 90600443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90600443 = 47 ⋅1927669.

It can be written as a sum of positive squares in 2 ways, for example, as 32718400 + 1682209 = 5720^2 + 1297^2 .

It is a cyclic number.

It is not a de Polignac number, because 34400609 - 2¹² = 34396513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34400603) 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, 74882 + ... + 75339.

It is an arithmetic number, because the mean of its divisors is an integer number (8637765).

Almost surely, 2^34400609 is an apocalyptic number.

It is an amenable number.

34400609 is a deficient number, since it is larger than the sum of its proper divisors (150451).

34400609 is a wasteful number, since it uses less digits than its factorization.

34400609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150450.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 34400609 is about 5865.2032360354. The cubic root of 34400609 is about 325.2285855400.

The spelling of 34400609 in words is "thirty-four million, four hundred thousand, six hundred nine".