34390516 has 6 divisors (see below), whose sum is σ = 60183410. Its totient is φ = 17195256.

The previous prime is 34390471. The next prime is 34390523. The reversal of 34390516 is 61509343.

It can be written as a sum of positive squares in only one way, i.e., 19980900 + 14409616 = 4470^2 + 3796^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4298811 + ... + 4298818.

Almost surely, 2^34390516 is an apocalyptic number.

It is an amenable number.

34390516 is a deficient number, since it is larger than the sum of its proper divisors (25792894).

34390516 is a wasteful number, since it uses less digits than its factorization.

34390516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597633 (or 8597631 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 34390516 is about 5864.3427594233. The cubic root of 34390516 is about 325.1967755102.

Adding to 34390516 its reverse (61509343), we get a palindrome (95899859).

The spelling of 34390516 in words is "thirty-four million, three hundred ninety thousand, five hundred sixteen".