34040409 has 16 divisors (see below), whose sum is σ = 51754752. Its totient is φ = 19715328.

The previous prime is 34040401. The next prime is 34040423. The reversal of 34040409 is 90404043.

It is not a de Polignac number, because 34040409 - 2³ = 34040401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34040401) 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, 25009 + ... + 26334.

It is an arithmetic number, because the mean of its divisors is an integer number (3234672).

Almost surely, 2^34040409 is an apocalyptic number.

34040409 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

34040409 is a deficient number, since it is larger than the sum of its proper divisors (17714343).

34040409 is a wasteful number, since it uses less digits than its factorization.

34040409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51376.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 34040409 is about 5834.4159090692. The cubic root of 34040409 is about 324.0894719371.

The spelling of 34040409 in words is "thirty-four million, forty thousand, four hundred nine".