34398861 has 16 divisors (see below), whose sum is σ = 53157888. Its totient is φ = 19378800.

The previous prime is 34398851. The next prime is 34398907. The reversal of 34398861 is 16889343.

It is a happy number.

It is not a de Polignac number, because 34398861 - 2¹⁵ = 34366093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34398851) 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 15 ways as a sum of consecutive naturals, for example, 10045 + ... + 13026.

It is an arithmetic number, because the mean of its divisors is an integer number (3322368).

Almost surely, 2^34398861 is an apocalyptic number.

It is an amenable number.

34398861 is a deficient number, since it is larger than the sum of its proper divisors (18759027).

34398861 is a wasteful number, since it uses less digits than its factorization.

34398861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23152.

The product of its digits is 124416, while the sum is 42.

The square root of 34398861 is about 5865.0542196982. The cubic root of 34398861 is about 325.2230768275.

The spelling of 34398861 in words is "thirty-four million, three hundred ninety-eight thousand, eight hundred sixty-one".