34289905 has 16 divisors (see below), whose sum is σ = 44662464. Its totient is φ = 25122240.

The previous prime is 34289903. The next prime is 34289917. The reversal of 34289905 is 50998243.

It is a happy number.

It is not a de Polignac number, because 34289905 - 2¹ = 34289903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34289903) 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, 6502 + ... + 10528.

It is an arithmetic number, because the mean of its divisors is an integer number (2791404).

Almost surely, 2^34289905 is an apocalyptic number.

It is an amenable number.

34289905 is a deficient number, since it is larger than the sum of its proper divisors (10372559).

34289905 is a wasteful number, since it uses less digits than its factorization.

34289905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 34289905 is about 5855.7582771149. The cubic root of 34289905 is about 324.8793398244.

The spelling of 34289905 in words is "thirty-four million, two hundred eighty-nine thousand, nine hundred five".