34905290 has 16 divisors (see below), whose sum is σ = 71805312. Its totient is φ = 11967504.

The previous prime is 34905289. The next prime is 34905331. The reversal of 34905290 is 9250943.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 249254 + ... + 249393.

It is an arithmetic number, because the mean of its divisors is an integer number (4487832).

Almost surely, 2^34905290 is an apocalyptic number.

34905290 is an abundant number, since it is smaller than the sum of its proper divisors (36900022).

34905290 is a wasteful number, since it uses less digits than its factorization.

34905290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498661.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 34905290 is about 5908.0699047997. The cubic root of 34905290 is about 326.8113143016.

The spelling of 34905290 in words is "thirty-four million, nine hundred five thousand, two hundred ninety".