34878231 has 6 divisors (see below), whose sum is σ = 50379680. Its totient is φ = 23252148.

The previous prime is 34878227. The next prime is 34878247. The reversal of 34878231 is 13287843.

It is not a de Polignac number, because 34878231 - 2² = 34878227 is a prime.

It is a super-2 number, since 2×34878231² = 2432981995378722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34878211) 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 5 ways as a sum of consecutive naturals, for example, 1937671 + ... + 1937688.

Almost surely, 2^34878231 is an apocalyptic number.

34878231 is a deficient number, since it is larger than the sum of its proper divisors (15501449).

34878231 is a wasteful number, since it uses less digits than its factorization.

34878231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875365 (or 3875362 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 34878231 is about 5905.7794574467. The cubic root of 34878231 is about 326.7268431183.

The spelling of 34878231 in words is "thirty-four million, eight hundred seventy-eight thousand, two hundred thirty-one".